Product information:

Compatible system: Android4.4 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