Product Parameters: 1. Model: HW26 2. Dimensions: 44.8mm in diameter, 10mm inthickness 3. Case Material: zinc alloy 4. Strap Material: silicone 5. Screen: round TFT screen 6. Screen size: 1.35inch 7. Resolution: 420*420 8. Chip: Hs6621 9. Heart Sensor: HRS3300 10. Memory: 128M 11. BT: 5.0 12. Battery Capacity: 200mAh 13. Charging Way: magnetic charging 14. Battery Life: about 10 days 15. Standby Time: 65 days 16. Waterproof: IP67 17. System requirements：Android5.0+ / IOS10.0+ APP：WearFit pro Features: 1. Keep an eye on your health: Heart rate monitor, sedentary reminder, sleep tracker. 2. A good helper for workout: Pedometer, calories burned, distance, sports modes. 3. A good helper for daily life: BT phone calls, sync notifications, MET, OTA, BT music, calculator, alarm, custom faces, stopwatch, anti-lost, brightness-adjusting, weather, etc. Languages: UI languages: Simplified Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Russian, Portuguese, Turkish, Greek, Vietnamese, Thai, Arabic, Polish, Dutch, Hebrew, Persian. Information-pushing languages: Simplified Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Russian, Portuguese, Turkish, Greek, Vietnamese, Thai, Arabic, Polish, Dutch, Hebrew, Persian. App languages: Simplified Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Korean, Russian, Thai, Czech, Portuguese, Indonesian, Arabic, Turkish, Greek, Estonian , Bulgarian, Latvian, Lithuanian, Romanian, Serbian, Slovak. 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