Product Parameters: 1. Model: MX7 2. Dimensions: 43.1*37.3*9.8mm 3. Strap Material: silicone 4. Screen: IPS full-touch 5. Screen size: 1.69inch 6. Resolution: 240*280 7. CPU: HS6621 8. Chip for BT Phone Call: BT8858 9. PPG Sensor: HRS3300 10. G-sensor: SC7A20 11. RAM: 128MBT 12. BT: 5.0+3.0 13. BT Range (watch to phone): 10-15m 14. Battery Capacity: 230mAh 15. Charging Way: magnetic charging 16. Battery Life: 3-5 days 17. Standby Time: 30 days 18. Waterproof: IP68 19. System requirements:Android 5.1+ / IOS 8.0+ APP:wearfit pro Features: 1. Keep an eye on your health: Heart rate / blood pressure / blood oxygen monitor, thermometer, sleep tracker, MET, breathing exercise, pressure test. 2. A good helper for workout: Pedometer, calories burned, distance, sports mode. 3. A good helper for daily life: BT phone calls, sync notifications, local music playback, store music, BT music, connect to wireless earphones, weather, calculator, stopwatch, timer, alarm, camera remote, lock screen password, share health data with families, custom faces, etc. Languages: App languages / information-pushing / UI languages: Simplified Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Russian, Czech, Portuguese, Turkish, Greek, Vietnamese, Thai, Arabic, Polish, Dutch, Danish, Latin, Romanian. Note: 1.The principle of smart watch 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