Product Parameters: 1. Model: DT7 Pro 2. Dimensions: 45*38*11mm 3. Case Material: zinc alloy 4. Strap Material: silicone 5. Screen: TFT IPS 6. Screen size: 1.8inch 7. Resolution: 320*385 8. Chip: RTL8762DK 9. Heart Sensor: BD1662_I2C 10. BT: 5.0 11. Battery Capacity: 380mAh 12. Charging Way: wireless charging 13. Charging Time: about 5h 14. Battery Life: 5-6 days 15. Standby Time: 25-35 days 16. Waterproof: IP68 17. System requirements: Android 6.0+ / IOS 10.0+ APP:Wearpro Features: 1. Keep an eye on your health: Heart rate monitor, ECG, sleep tracker. 2. A good helper for workout: Track running routes, steps, calories burned, distance, sports mode. 3. A good helper for daily life: NFC access control, BT phone calls, sync notifications, BT music, camera remote, weather, find my phone, set lock screen password, calculator, period tracker, flashlight, 7 UI styles, breathing exercise, custom faces, stopwatch, brightness adjustment, voice assistant, etc. Languages: UI languages: English, Danish, Greek, Latin, Romanian, Turkish, Hebrew, Czech, Polish, Spanish, German, Russian, Portuguese, French, Japanese, Italian, Vietnamese, Korean, Arabic, Persian. App languages: English, Korean, German, Spanish, Japanese, French, Italian, Russian, Portuguese, Arabic, Ukrainian, Thai. 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 4. Please contact us to view more details and actual photos before purchasing. 5. We support wholesale & dropshipping, please contact us directly for more details, thanks. 6.This watch is IP68 waterproof, please do not suggest put in water for long time and do not wear to bath, swim, shower. Reminder of NFC function: 1. The NFC of this watch only supports as IC door cards with a frequency of 13.56MNZ (applicable to 80% on the market), does not support other functions. 2. The mobile phone that supports NFC function can directly read the unencrypted door card and then write it to the watch. 3. The fingerprint lock enters the administrator mode-add-card-write. 4. Encrypted access control of the community needs to be written in the community property management office. Package List: smart watch*1 charging cable*1 user manual*1