| Specification | Details |
|---|---|
| Model Number | D20 Pro Smart Watch |
| APP | FitPro |
| APP Support System | Android 4.4 and above, iOS 9.0 and above |
| Chip | HS6620D |
| Heart Rate Sensor | HRS3300 |
| Linear Measurement | Yes |
| Bluetooth Version | 4.0 |
| Screen Type | 1.4 inch TFT LCD, Touchscreen, single-touch |
| Storage (FLASH) | 16MB + 128KB |
| Battery Capacity | 230 mAh, Standby 4-7 days normally, up to 30 days standby |
| G-Sensor | Yes |
| Waterproof / Water-Resistant | Yes (splash-proof only, not for swimming) |
| Functions | Sport, Message, Alarm Clock, Blood Oxygen, Date, Heart Rate Measurement, Sedentary Reminder, Sleep Management, Time, Step Counting, Calories, Distance |
| Notifications | Facebook, Twitter, WeChat, WhatsApp |
| Alert Type | Vibration |
| Call Reminder | Yes |
| Anti-Lost (Two-Way) | Yes |
| App Languages Supported | English, French, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese, etc. |
| Voice Assistant | No |
| Metrics Measured | Others, Sleep Monitor |
| Activity Tracked | Steps Tracker, Distance Tracker, Calorie Tracker, Activity Tracker |
| Screen Shape | Square |
| SIM Card Available | No |
| Multiple Dials | Yes |
| GPS | No |
| Network Mode | None |
| Rear Camera | None |
| ROM | <128MB |
| System | None |
| Type | On Wrist |
| Compatibility | All Compatible |
| Functions (Extra) | Remote Camera, Find Mobile, Step Counting Analysis, Sedentary Reminder, Sleep Monitoring, Multi-sport Modes, Heart Rate & Blood Pressure Monitoring |
| Brand Name | CHAONB |
| Display Size | 1.4 inch |
| RAM | <128MB |
| Resolution | 128 × 128 |
| Origin | Mainland China |
| Band Detachable | Yes |
| Material | Lightweight, skin-friendly TPU |
| Charging Method | USB Quick Removal Direct Charge, Detachable Wristband Design |
| Tips for Use | Do not use a charger higher than 5V/2A; Do not touch hot water; Only splash-proof; Charge 5–10 min before first use if low on power |
| Package Contents | 1 x Smart Watch, 1 x Manual, 1 x Box |
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