Fangrui Product Details 1. Cv08c 1.0 Inch Tft Color Screen Steel Watch Band Smart Bracelet, Support Call Reminder Heart Rate Monitoring Blood Pressure Monitoring Sleep Monitoringblood Oxygen Monitoring 2. The Main Control Chip Adopts Imported Chip Nordic Nrf52832, 100 Ma High Energy Density Lithium Polymer Battery, Strict Ripple Processing On The Main Board, Esd Static Protection, Display And Heart Rate Complete Switch Processing. The Whole Board Is More Protected, Stable, Lower Power Consumption And More Endurance. 3. Material: Zinc Alloy Body + Tempered Glass Mirror 4. Bluetooth: 5.0 5. Working Time: 7 Days, Standby Time: 30 Days 6. 4 Different Style Dials, You Can Directly View Time, Steps, Heart Rate, Weather Forecast And Other Data 7. Multiple Sports Modes 8. Ip67 Waterproof 9. Function: Heart Rate Monitoring, High Heart Rate Reminder, Blood Pressure Monitoring, Call Reminder, Call Rejection, Gps Motion Track, Sleep Monitoring, Music Control, Photo Control, Sedentary Reminder, Find Mobile Phone, Timer, Brightness Adjustment, Alarm Reminder , Step By Step + Calories + Distance, Goal To Reach A Reminder, One-click Reset 10. Support A Variety Of Social Information Reminders: Sms, Qq, Wechat, Facebook, Twitter, Whatsapp, Skype, Instagram, Linkedin, Line.... 11. Battery: 100mah Lithium Polymer Battery 12. Charging Voltage: 5v 13. Charging Current: 100ma-2a 14. Support System: Android 4.4 And Above, Ios 8.0 And Above 15. Language: Russian, German, Italian, Japanese, French, Simplified Chinese, Traditional Chinese, Romanian, English, Spanish, Korean, Thai