Product Parameters: 1. Model: DT2+ 2. Dimensions: 42mm in diameter, 11.5mm in thickness 3. Case Material: zinc alloy 4. Screen: IPS 5. Screen size: 1.19inch 6. Resolution: 390*390 7. Chip: RTK8762D 8. Heart Sensor: BD1662_I2C 9. Battery Capacity: 200mAh 10. Charging Way: wireless charging 11. Charging Time: 3 12. Battery Life: 4-5 days 13. Waterproof: IP68 14. System requirements:Android 4.4+ / IOS 8.0+ APP:WearPro Features: 1. Keep an eye on your health: Heart rate / blood oxygen monitor, sleep tracker, period tracker. 2. A good helper for workout: Colories burned, distance, sports mode. 3. A good helper for daily life: BT phone calls, sync notifications, breathing exercise, stopwatch, brightness adjusting, BT music, camera remote, weather, anti-lost, set lock screen password, calculator, split-screen, etc. Languages: App languages: Chinese, Traditional Chinese, English, Korean, German, Spanish, Japanese, French, Italian, Russian, Portuguese, Arabic, Ukrainian, Thai. UI languages: English, Chinese, Traditional Chinese, Danish, Greek, Latin, Romanian, Turkish, Hebrew, Czech, Polish, Spanish, German, Russian, Portuguese, French, Japanese, Italian, Vietnamese, Korean, Arabic, Persian. Note: 1.The principle of smartwatch measurement is completely different from that of medical equipment. It is only for sports and fitness reference, thank you. 2.After receiving the watch, please use the 5V 1A charging adapter to charge the watch for more than 2 hours. 3.Please scan the QR code in the manual to download the APP before use Package List: smart watch*1 charging cable*1 user manual*1