1.Screen: 1.3 inch TFT Color Screen,240*240
2. Chip: Rlk8762C / Heart rate sensor: HX3880
3. Blood oxygen HX3880 /Infrared sensor body temperature: NTC1711
4. Bluetooth: 5.0 BLE(Low power)
5. Battery: 200 Mah Polymeter Lithium Battery 
6. Charging way: Magnetic
7. Compitable: Ardriod 4.4 and above and IOS 9.0 and above
8. Waterproof: IP67 
9. Functions: Body temperature, Real blood oxygen, Heart rate, blood pressure,multi exercise mode,Sleep monitoring, Global font content push,Turn over the wrist and light up the screen automatically, step counting, calories, distance, sleep monitoring, exercise patterns, caller alerts, alarm clock alerts, hand-up display, social sharing (Wechat, , Facebook, Twitter, etc.),Shake the picture, sit for a long time to remind, find phone.