Main chip 1: Ruiqi RTK8762DK Jerry HN333
Supported systems: Android6.0 or above, IOS11.4 or above
Memory; 64m flash

Screen Type: TFT
Screen size 1.69
Resolution: 240*280
Touch screen type: TP--OGS
Audio: BOX sound cavity

Speaker: 0415 microphone head
Hardware accessories: LED Light (flashlight function)
Bluetooth version: BT5.0
Temperature Sensor: SC7A20
Heart rate chip: 3605
Battery Type: polymer lithium battery
Battery capacity: 240mAh
Charging Method: magnetic suction with Protection Board
Feature List

Bluetooth calling, step counting, calories, distance, sport mode
Blood oxygen, heart rate, sleep monitoring, automatic heart rate monitoring, etc.
WeChat, QQ, LINE, Facebook, Twitter, KaoKao Talk, WhatsApp, Skype, etc.
Raise your wrist to highlight the screen, Call Reminder, SMS reminder, alarm clock reminder, shake to take photos, mobile phone search, etc.
Connect the APP to the bracelet Bluetooth, and connect the audio bluetooth at the setting.
Waterproof level: IP67