Product information:

Compatible system: Android 4.4 or higher, IOS8.2 or higher; Flash memory: 128K+64M
Screen type: IPS full fit screen; Screen size: 1.28; Resolution: 240*240; Touch screen type: full TP--COF; Connection parameters: Bluetooth BT5.0; WIFI: None; NFC: None; Sensor: Acceleration sensor STK8321; Heart rate: HX3313; GPS: None; Battery: polymer lithium battery, capacity 200; Charging method: charging clip; APP software functions:, exercise mode, step counting, calories, distance, heart rate, health, blood pressure, heart rate, blood oxygen, sedentary reminder, sleep monitoring, automatic heart rate monitoring, etc.; Social sharing: WeChat, QQ, LINE, Facebook, Twitter, KaoKao Talk, WhatsApp, Skype, etc.; Others: Raise your wrist to brighten the screen, call reminder, text message reminder, alarm clock reminder, shake to take pictures, mobile phone search, etc.

Other parameters:
Waterproof rating: IP68; Charging time: 2h; Life time: 7~9D; 
Product language: APP supports more than 20 languages; bracelet push supports more than 50 languages; (UI display default Chinese and English, can be customized)
Appearance material: PC; Wristband material: two-color/monochrome silicone, nylon car line