VP21 Blood Pressure Watch
Rectangular 1.95-inch AMOLED health wearable with documented ASR1606 + JL701X hardware, 650 mAh battery, air-pump and dedicated TPU airbag measurement path, plus 4G and BeiDou + GPS support for connected OEM/ODM programmes.
A connected rectangular platform for health routines and remote-care workflows.
The core function of the watch is to measure blood pressure using an air pump, and it also features 4G communication, positioning and security functions, as well as a series of comprehensive daily health and activity tools.
Air-pump measurement
Dedicated TPU airbag in the strap and an on-watch measurement flow. Accuracy and clinical correlation are not claimed here.
4G connected care
4G communication, BeiDou + GPS positioning, electronic fence and one-key SOS loop-call functions are listed in the source specification.
Health routines
Heart-rate, blood-oxygen and sleep features, health-report assessment, medication, water-drinking and sedentary reminders.
Activity and smart tools
19 sports modes, notifications, music, voice assistant, payments, recorder, weather via app, remote selfie and find-device tools.
Air-pump + TPU airbag architecture
The intelligent pressure module drives the miniature air pump and the dedicated wrist airbag, which is used for oscillographic measurement.
One-button measurement flow
Single-handed single-button operation allows you to start reading without the need for assistance from others.
3-in-1 health functions
Support the display of blood pressure, heart rate and blood oxygen levels
Standalone 4G / SIM connectivity
Independent SIM card architecture, supporting independent communication and data workflows
Connected location support
Supports the connected positioning function for remote care and daily travel scenarios.
Season-ready everyday use
Flexibly adapt to the changes of the four seasons;
fearlessly withstand the cold and heat, and use it easily with a simple gesture.
Key Engineering Highlights
A connected blood-pressure watch platform with a large display, flexible communication options and an integrated air-pump measurement system—ready for OEM/ODM evaluation.
High-Capacity 650 mAh Power System
Integrated 3.85 V / 650 mAh polymer lithium cell with NTC protection. Actual runtime depends on network mode, measurement frequency and software configuration, so no runtime claim is made.
Electromechanical Pump Airbag Assembly
The source specification records an air-pump and dedicated curved TPU airbag integrated into the strap. Measurement performance and clinical correlation require project-specific validation.
Expansive 1.95-inch AMOLED Display
The 410×502 panel with 332 PPI provides a large display area for watch functions, health records and connected-workflow interfaces.
Measurement Posture & Workflow
- 1. Fasten the fluororubber strap comfortably so the inner airbag touches the skin evenly.
- 2. Raise the wrist naturally to bring the watch display level with your heart.
- 3. Start the test and keep the arm relaxed during pump pressurization and gentle deflation.
- 4. Readings are displayed on the watch; any app, server or data hand-off workflow is confirmed and scoped per project.
Operational Boundaries & Restrictions
- ✕ Short-term shallow immersion only: IP67 is not permission for swimming, bathing, sauna use or prolonged submersion.
- ✕ No Glucose Monitoring: Does not possess non-invasive blood glucose sensing components; marketing this claim is strictly prohibited.
- ✕ Intended-use boundary: Health features and readings require market-specific review; this page does not make a diagnostic or treatment claim.
Technical Specifications
Hardware and operational specifications from our model documentation.
| Specification Item | Details / Parameter |
|---|---|
| Product Model | VP21 |
| Core Platform / CPU | ASR1606 + JL701X dual computing platform |
| Internal Memory | 128Mb + 1Gb NAND (source specification notation) |
| Optical Sensor Module | HX3918 optical heart-rate sensor |
| Operating System | Low-power embedded RTOS |
| Display Panel | 1.95-inch AMOLED rectangular touch screen, 410×502 resolution |
| Pixel Density (PPI) | 332 PPI (source recorded) |
| Battery & Power | 3.85 V / 650 mAh polymer lithium battery with integrated NTC protection |
| Charging Interface | Dedicated 4-pin magnetic charging & data interface |
| Structural Materials | Ceramic bezel, engineering polymer chassis, stainless-steel button, 1.6 tea-coloured tempered glass |
| Strap & Airbag | 24 mm fluororubber strap (options: long 119/137 mm, short 76.6 mm) with integrated dedicated curved TPU airbag |
| Dimensions & Weight | 41.0 × 48.6 × 13.8 mm; approximately 86.0 g total weight (including strap and airbag assembly) |
| Packaging Specifications | Individual gift box 140×140×80 mm (407 g); Carton 60 units/ctn (24.4 kg, 57.2×40.7×43.6 cm) |
| Mobile Application | V Band ecosystem; enterprise companion apps are customised per project, with the software interface scope confirmed during scoping |
| Water Resistance | IP67 — short-term shallow-water immersion only; not a swimming permission and not hot water |
| Cellular & Location Tracking | 4G cellular and BeiDou + GPS positioning support. Cellular bands and SIM provisioning are set per market and confirmed with you during scoping. |
OEM & ODM Customization Scope
End-to-end device development, cellular tuning, and data hand-off scoping for commercial partners.
Cellular & RF Tuning
Regional 4G band matching, eSIM / Nano-SIM integration, and antenna performance optimization for local operators.
Firmware & Protocol
Telemetry transmission, server endpoint configuration, and branded operating systems. The transfer protocol and encryption scheme are and are agreed per programme — no specific protocol is claimed here.
Industrial Design
Custom bezel finishes, custom strap colors and textures, and customized retail or enterprise gift packaging.
Compliance Support
Provision of bench testing data, EMC/RF reports, biocompatibility documentation for TPU airbags, and factory quality audits.