V25 Curved TFT Sports Smart Band

V25 Curved TFT Sports Smart Band – 3ATM Lightweight Fitness Bracelet With 24-Hour Body Temperature Tracking

. Product Definition, Target Buyers & End-User Scenarios

The V25 is an affordable entry-level fitness smart band powered by Bluetooth-only wireless connection. Furthermore, it carries three standout core advantages: curved TFT 3D stereo UI, built-in direct USB plug charging and continuous 24-hour automatic body temperature monitoring.

Notably, this budget model removes the Bluetooth calling module entirely. Therefore, it only generates silent vibration alerts for incoming SMS and social media messages instead of voice call communication.

In addition, this cost-effective wellness bracelet serves three main groups of B2B wholesale partners. These partners include budget fitness accessory distributors, corporate promotional gift suppliers and entry-level private-label wellness brand operators.

Consequently, all-gender end users choose this lightweight band for daily affordable health tracking. Specifically, it fits office all-day wear, light indoor yoga and casual low-intensity outdoor walking workouts.

Besides, this entry sports band enriches Vositone’s full wearable product lineup. Moreover, it complements mid-range VO441 swimming bands, VO422 fitness trackers and professional V206 ECG bracelets to cover all budget segments for mass-market sourcing.

VX02 Ultra-Thin Basic Band | VO441 Swimming Smart Band | VO422 Fitness Tracker | V206 ECG PPG Bracelet

In particular, every hardware parameter and functional lab test data on this page comes from standardized factory inspection records. Therefore, we eliminate vague exaggerated marketing wording and retain only verifiable technical indicators for client quotation and batch-level quality control checks.

2. Verified Core Hardware Specifications

Furthermore, each hardware component passes strict factory calibration before final assembly. Specifically, segmented clear data supports direct side-by-side product comparison for bulk purchasing wholesale buyers.

2.1 Curved TFT 3D Display & Slim Plastic Alloy Housing with USB Charging

Curved Color TFT Screen with Exclusive 3D Stereo UI

The V25 band equips a curved color TFT touch panel. In addition, the exclusive built-in 3D stereo interactive UI delivers more immersive visual navigation compared to flat basic bands.

Meanwhile, anti-glare coating greatly improves screen legibility under both indoor ambient light and natural outdoor sunlight.

Besides, dozens of preloaded lightweight watch face templates are stored in firmware. Custom watch face images can be uploaded via the matched multi-language wellness APP.

Light Slim Plastic Alloy Frame with Integrated Direct USB Charger

Thin lightweight plastic alloy forms the main tracking unit body. Moreover, a retractable built-in USB plug eliminates the need for separate dedicated charging cables.

Consequently, users can plug the band directly into any USB power adapter, laptop port or power bank for instant charging during travel or office use.

Notably, the slim body design minimizes wrist pressure during all-day and overnight continuous wear.

Hypoallergenic Soft Silicone Adjustable Wrist Strap

Each V25 package includes one skin-friendly soft silicone wrist strap. Moreover, multiple neutral minimalist stock color options support low-cost mixed retail bundle assortments.

Furthermore, OEM bulk clients can request custom strap color matching for large-volume wholesale order batches.

2.2 Bluetooth Connection & Cross-Platform Mobile OS Compatibility

Low-Power Bluetooth Chip (No Call Function)

The integrated Bluetooth low-energy chip establishes stable low-interference pairing with smartphones. In addition, it only processes vibration notification signals for text messages and social platform alerts.

Notably, this budget sports band does not integrate standalone GPS hardware. Therefore, all sport route mapping functions fully rely on GPS signals captured by the paired mobile phone inside the wellness APP.

Wide Cross-System Mobile Device Adaptation

It maintains consistent stable Bluetooth pairing with Android 8.0 and newer mobile handsets. Moreover, it also operates normally for iOS 9.0 and above Apple mobile devices.

Consequently, broad operating system compatibility reduces device adaptation risks for global cross-border resellers and individual end consumers.

2.3 Lithium-Polymer Battery & Built-In USB Direct Charging System

Retractable Integrated USB Plug Charging Design

Users simply pull out the concealed USB plug to connect with any standard USB power source without extra cables. Besides, the compact sealed internal power circuit protects battery modules from dust and minor sweat contact.

In addition, this cable-free design reduces accessory logistics costs for brand owners during mass wholesale shipments.

Meanwhile, a complete empty-to-full battery charging cycle takes roughly 2 hours under standard laboratory test environments.

Lab-Validated Multi-Day Light Usage Battery Runtime

The built-in lithium-polymer battery includes multi-layer safety protection circuits. These circuits prevent overcharging, over-discharging and internal short-circuit safety hazards.

Furthermore, continuous factory lab testing confirms stable daily runtime for light wellness tracking scenarios with regular temperature and heart rate sampling active.

2.4 3ATM Daily Sweat & Splash Waterproof Usage Guidelines (ISO 22810 Standard)

The V25 fully complies with ISO 22810 3ATM industrial waterproof specification. Furthermore, it resists daily dust buildup, routine sweat, hand-wash splashes and brief light rain exposure during casual outdoor walks.

Permitted Daily Wear Usage Scenarios

Therefore, users may wear this budget band during office desk work, indoor low-intensity yoga training and short outdoor strolls under mild light drizzle weather.

Prohibited Long-Immersion & High-Temperature Water Scenarios

Conversely, avoid wearing this fitness band for swimming, snorkeling, deep diving, hot bathing or sauna sessions at all times.

Moreover, long-term exposure to hot and humid air environments accelerates aging of internal waterproof rubber sealing gaskets.

Consequently, hardware damage caused by prolonged hot or deep water immersion will void the official 12-month global hardware warranty coverage.

Natural Internal Gasket Aging Reminder

In particular, internal waterproof rubber sealing components degrade gradually over months of daily continuous wear. Therefore, reduced splash and sweat resistance counts as normal physical wear instead of manufacturing defects.

3. PPG Sensor 24H Auto Body Temperature & Full Wellness Tracking Functions

Mandatory Non-Medical Disclaimer

First of all, all automatic body temperature readings, heart rate, SpO2, blood pressure trend and sleep cycle data serve purely for consumer-level daily wellness reference only.

Furthermore, this entry-level sports smart band is not officially certified medical diagnostic equipment. Therefore, its measured numerical values cannot substitute hospital professional diagnostic hardware or licensed clinical medical judgement.

In addition, users must not rely solely on this band’s temperature alert data to judge fever symptoms or make medical treatment decisions. Consequently, seek formal professional medical support immediately when facing sustained high body temperature or persistent physical discomfort.

Meanwhile, practical measurement deviation can appear due to multiple external interference factors during daily wear.

Specifically, key influencing factors include silicone strap tightness, arm hair density, skin tattoos, skin texture and fluctuating ambient indoor or outdoor temperatures.

3.1 24-Hour Automatic Body Temperature Monitoring with 37.3°C Fever Vibration Alert

The built-in sensing module runs uninterrupted round-the-clock automatic body temperature sampling all day long. It triggers silent vibration reminders once the measured value exceeds the preset 37.3°C threshold.

Besides, the intelligent system automatically mutes temperature alert vibrations during detected sleep cycles to avoid nighttime rest disturbances.

3.2 Continuous Heart Rate, SpO2, Blood Pressure Trend & Multi-Stage Sleep Recording

The integrated PPG optical sensor captures real-time heart rate, blood oxygen and blood pressure trend data throughout daily activity cycles.

Besides, the sleep analysis module automatically records full rest cycles, separating light sleep and deep sleep stages for daily sleep quality evaluation.

3.3 Multiple Low-Intensity Indoor & Outdoor Sport Logging Modes

Notably, the device firmware pre-installs multiple sport mode profiles optimized for casual light fitness activities. Supported modes cover walking, slow jogging, yoga, light cycling and casual recreational ball sports.

In addition, the band locally stores exercise duration, real-time step counts and total calorie consumption data offline without constant Bluetooth connections.

Therefore, all cached offline sport activity records synchronize to the multi-language wellness APP once stable Bluetooth pairing re-establishes indoors.

Furthermore, the matched mobile APP supplements complete GPS sport route mapping using location signals captured from the connected smartphone.

4. Daily Auxiliary Practical Tools & Multi-Language APP Cloud Data Ecosystem

4.1 Silent Vibration Message Alerts & Real-Time Weather Automatic Sync

After successful Bluetooth pairing, the band delivers quiet vibration reminders for all incoming SMS text messages and social media application notifications. Moreover, it automatically synchronizes daily local real-time weather forecast data from the linked mobile phone.

Consequently, casual fitness wearers can reasonably adjust outdoor walking and light workout plans according to updated weather condition information.

4.2 Lightweight Built-In Daily Life Assistant Tools

In particular, this budget sports band integrates a full set of simple touch-operated auxiliary tools suitable for office and casual fitness daily scenarios.

Besides, available core tools include remote mobile phone camera shutter for casual workout selfies and group activity photos.

Furthermore, it also supports multi-group adjustable daily alarms, sedentary standing activity reminders, regular drinking hydration alerts and stopwatch timing functions.

4.3 Multi-Language APP Cloud Storage & Long-Term Wellness Trend Analysis Reports

The matching multi-language wellness APP creates bidirectional cloud data synchronization with the V25 sports band. In addition, it permanently archives all offline-generated historical temperature, vital sign and sport activity records.

Specifically, stored archived datasets cover full daily body temperature logs, continuous heart rate archives, multi-stage sleep records and casual fitness training statistics.

Moreover, the APP platform generates auto-calculated weekly and monthly wellness trend reports to visualize long-term physical condition shifts for continuous daily health tracking.

Consequently, the built-in cloud backup function prevents permanent loss of personal historical temperature and fitness tracking data.

5. B2B Wholesale Terms & Tiered Budget OEM / ODM Customization Packages

Vositone owns more than 16 years of wearable device research and mass manufacturing production experience. Furthermore, our standardized factory occupies over 10,000 square meters with complete assembly and full-function testing production lines.

In addition, the internal professional team includes 70+ specialized dedicated R&D engineers together with 300+ full-time production operation staff.

Besides, we hold more than 30 wearable-related technical invention patents. Meanwhile, the factory maintains an ultra-low 0.12% finished product defect rate after four-round full QC inspection procedures.

Consequently, monthly stable mass production capacity reaches 50,000+ units to fulfill continuous global low-budget bulk wholesale and entry-level OEM customization order demands.

5.1 Tiered MOQ Customization Rules (Entry-Level Budget Sports Smart Band Line)

• 100 units: Custom laser engraved buyer brand logo on the slim plastic alloy main unit frame
• 300–500 units: Custom budget fitness promotional retail gift boxes for small-volume white-label market trial orders
• 2,000 units: Standard OEM adjustments: soft silicone strap colour matching, packaging redesign, system UI redesign, custom boot animation, basic firmware tuning for body temperature alert threshold and vibration intensity
• 3,000 units: In-depth ODM development: multi-light-sport algorithm calibration, PPG health sensor parameter optimization, exclusive branded independent wellness APP programming
• 0 MOQ flexible support: Suitable for dropshipping and tiny-batch brand market test small orders

5.2 Sample Fabrication & Mass Production Lead Time Schedule

Standard sample prototype development requires 10 to 15 working days. Furthermore, expedited rush sample service completes all prototype manufacturing work within 7 working days for urgent client project requirements.

In addition, full sample development fees can be fully deducted against subsequent formal mass purchase orders after client deposit payment confirmation.

Meanwhile, regular OEM bulk mass production cycles run 30–45 working days once the factory receives and verifies the client deposit transfer.

Alternatively, deep full-scope ODM development projects require 45–60 working days for complete sensor calibration plus exclusive branded wellness APP programming development work.

5.3 Global Cross-Border Trade Compliance & Complete Batch Certification Documentation

This V25 budget sports band series obtains full complete sets of global cross-border trade compliance certifications: CE RED, FCC, RoHS, REACH, GCC, WEEE and ISO9001 quality management system.

Furthermore, complete batch certification documents support barrier-free smooth customs clearance across all major international import market regions worldwide.

Consequently, valid official certification files eliminate cargo detention delays caused by third-party port re-inspection audit checks.

In addition, all non-compliant Bluetooth SIG BQB related descriptive text has been fully removed to satisfy unified cross-border e-commerce platform content standard requirements.

5.4 Factory Four-Stage QC Testing Workflow & 12-Month Limited Global Hardware Warranty

Every finished V25 unit undergoes four-phase factory aging testing plus end-to-end full function calibration before shipment dispatch. Specifically, mandatory test items include 3ATM sweat and splash-proof sealing validation, curved TFT screen display stability test, built-in USB charging contact durability verification and PPG heart rate sensor accuracy calibration.

Meanwhile, the 12-month global limited hardware warranty only covers confirmed original manufacturing defects of the main electronic tracking module core.

Conversely, soft silicone wrist straps count as disposable consumable accessories and sit fully outside all official warranty coverage scope.

Furthermore, naturally aged internal waterproof sealing gaskets and user-inflicted physical impact scratch damage are also excluded from all warranty protection terms and conditions.

5.5 NDA Confidentiality Agreement & Full Intellectual Property Transfer Terms

All custom-development entry-level budget sports band projects sign formal NDA non-disclosure agreements at the official project kick-off stage. Moreover, buyers gain complete full intellectual property ownership for all custom-built development deliverables once full order payment settlement completes in full.

Specifically, transferred IP assets include exclusive structural slim chassis drawings, body temperature & sport tracking firmware logic, PPG health sensor algorithm parameters and fully customized wellness APP source code files.

Consequently, complete full IP handover helps brands build distinct cost-competitive differentiation inside the global mass-market budget fitness wearable wholesale sector.

VOSITONE Smart Watch General Technical Specifications

Product Dimensions & Weight

All measurements derive from VOSITONE Lab testing data. To begin with, the watch boasts an ultra-slim profile, measuring precisely 10.1mm at its thinnest point (measured from phone surface to shell, excluding sensor area). Furthermore, its lightweight construction weighs merely 28g without the strap. However, it's important to note that final product weight may vary slightly. This variation occurs primarily because of different configurations. Additionally, manufacturing processes significantly affect final measurements. Moreover, different measurement methods may yield slightly different results.

Product Visual Representation

While product images and screen contents are shown for illustrative purposes, several important considerations apply. First and foremost, actual product appearance may differ in terms of color, size, and finish. Similarly, screen displays may vary regarding backgrounds, UI elements, and images. Most importantly, all watch face designs represent original artistic creations. Consequently, full copyright belongs exclusively to VOSITONE.

Health Monitoring Features

Heart Rate Accuracy

Lab tests demonstrate exceptional performance. Specifically, accuracy exceeds 97% at 10bpm. The testing covered numerous scenarios including, but not limited to, sedentary activities like sitting and reading, as well as various exercises such as treadmill use, running, walking, and cycling. Nevertheless, actual accuracy may vary due to several factors. Primarily, individual physiological differences play a role. Additionally, usage habits and patterns affect results. Finally, environmental conditions can influence measurements.

Blood Oxygen Monitoring

SpO2 measurements effectively track oxygen saturation levels. Essentially, this measures the percentage of oxygen-carrying hemoglobin in the blood. The system provides intermittent periodic readings rather than continuous monitoring. For optimal results, users should wear the watch snugly and properly. Moreover, keeping the arm steady during measurements improves accuracy. However, multiple factors can affect readings, including low blood perfusion, arm hair, tattoos, improper positioning, and cold temperatures.

Key operational notes include:

• Users must first enable automatic detection in the app
• When oxygen levels drop below the set threshold, the watch provides vibration alerts
• However, these alerts remain disabled during sleep periods

Medical Disclaimer

This product serves exclusively for health management purposes. Importantly, it is not classified as a medical device. All provided data serves merely for reference. Specifically, the information is not intended for medical diagnosis. Therefore, it should never serve as a basis for treatment decisions. For any medical concerns, users should always consult qualified healthcare professionals.

GPS Functionality(If Applicable)

The watch offers robust positioning features. In particular, it supports detailed GPS tracking through the companion app. Laboratory tests have thoroughly validated this performance. However, real-world performance depends on several factors. Environmental conditions represent a primary consideration. Similarly, individual usage habits affect results. Finally, signal interference can impact accuracy.

Water Resistance

The watch meets specific water protection standards. Specifically, it carries a 3ATM rating (30m per ISO 22810:2010). Accordingly, it's suitable for pool and shallow water activities. However, important restrictions apply. The device is not suitable for diving or snorkeling. Users should also avoid high-pressure water exposure. Furthermore, metal and leather straps lack waterproofing.

Critical notes regarding water resistance:

• Protection degrades gradually over time
• Therefore, users should consider alternative straps for swimming
• Additionally, regular inspection of seals is recommended

Charging & Battery Performance

Charging Requirements

Laboratory testing established these specifications at 25°C with 45-80% relative humidity. The device requires a minimum 5V/1A charger. Moreover, it performs best with original charging accessories. However, actual performance may vary due to several factors. Product differences represent one consideration. Similarly, usage patterns affect charging efficiency. Finally, environmental conditions play a role.

Battery Life Estimates

The typical usage scenario includes:

• 120 minutes of Bluetooth calls weekly
• 120 minutes of music playback weekly
• Continuous heart rate monitoring
• 90 minutes of GPS workouts weekly
• Daily notifications
• 200 screen activations daily

Notably, standalone GPS mode operates with separate runtime. Ultimately, actual battery life depends entirely on individual usage patterns and conditions.

System Requirements

The watch requires minimum supported versions:

• Android 8.0 or higher
• iOS 9.0 or higher
  Before purchasing, users should carefully verify their device's compatibility.

*Important Health Notice*

All health-related features serve specific purposes. They are designed exclusively for wellness tracking. While they provide valuable personal health insights, they are not intended for medical diagnosis. Consequently, they should never be used for treatment purposes. For any medical concerns, users must consult qualified healthcare professionals.

All specifications derive from VOSITONE Lab controlled testing. However, real-world performance may vary significantly based on usage conditions and individual factors.

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