Fangrui Product Details 1. L1 1.32 Inch Ips Color Screen Smart Wristband, Support Sleep Monitoringheart Rate Monitoring 2. System Requirements: Android 4.4 And Above, Ios 8.0 And Above, Support Bluetooth 5.0 3. Bluetooth Version: Ble 5.0 4. Bluetooth Chip: Realtek Rtl8762dt 5. Heart Rate Chip: Tianyihexin 3300 6. Bracelet Memory: 64m Bit Flash, 160k Byte Ram 7. Screen Display: 1.32-inch Ips Color Screen, Resolution 360*360 8. Battery Capacity: 260mah 9. Standby Time: 20-25 Days 10. Working Hours: About 7 Days 11. Charging Interface: Magnetic Charging Base 12. Waterproof Grade: Ip68 13. Sensor: Limin 3001 14. Ui Language: English, Simplified Chinese, Thai, Russian, Spanish, Portuguese, Japanese, French, German, Italian, Traditional Chinese, Korean, Arabic, Hebrew, Hindi, Polish, Dutch, Turkish, Indonesian, Czech 15. Bracelet Font Language: English, Simplified Chinese, Thai, Russian, Spanish, Portuguese, Japanese, French, German, Italian, Traditional Chinese, Korean, Arabic, Hebrew, Hindi, Polish English, Dutch, Turkish, Indonesian, Czech 16. App Support Languages: English, Simplified Chinese, Thai, Russian, Spanish, Portuguese, Japanese, French, German, Italian, Traditional Chinese, Korean, Arabic, Hebrew, Hindi, Polish , Dutch, Turkish, Indonesian, Czech 17. Functions: Time And Date Display, Step Counting, Calories, Distance, Stopwatch, Countdown, Heart Rate Monitoring, Blood Pressure Monitoring, Blood Oxygen Monitoring, Sleep Monitoring (sleep Time, Sleep Quality), Alipay And Wechat Payment Functions, Information Storage, Hand Ring Brightness Adjustment, Bracelet Mac Address Check, Bracelet Reset, Multiple Sports Modes (walking, Basketball, Mountaineering, Running, Feathers, Cycling), Sleep Monitoring (sleep Time, Sleep Quality), Standard Sports Functions (counting Step, Distance, Calories), Gps Track Movement, 20 Message Storage Reminders To View, Slide To Adjust Volume And Brightness, Call Reminder, Message Content Push, Stopwatch, Find Mobile Phone, Reach The Target Reminder, Drink Water Reminder, Raise Your Hand To Brighten The Screen,