With a screen bracelet: (1.3 inch IPS color screen)
Sensor : Three-axis gravity sensor
Strap : Silicone two-tone strap
Charging method : Clip charging

Features :
Resolution: 240*240

Heart rate detection, ECG detection
(electrocardiogram directly on the bracelet, three off-line measurement data in the bracelet),
blood pressure detection (heart rate monitoring)
Time/clock display, step, calories, distance, sleep time, photo, on/off display
(three dials displayed)
Standard sports function (step, distance, calories) multi-sports mode
(climbing, walking, basketball, running, table tennis, cycling, swimming, badminton, football)
Sleep monitoring (sleep time, sleep quality, day and night time)
Call reminder, SMS reminder, QQ reminder, WeChat reminder, Skype, facebook, whatsApp reminder. (Save 3 message records)
Find your phone and find the bracelet
Alarm clock / medication / meeting / sedentary / drinking water reminder

ECG+PPG one health measurement, ECG sharing, HRV health index
(fatigue index, physical and mental load, physical fitness, cardiac function)
Remote control photo (shake a photo)
Movement of relatives and friends, mutual measurement of measurement data

System Requirements: Android 4.4 and above, IOS 9.0 or above, support for Bluetooth 4.0
Bluetooth version : BLE 4.0
Main control chip : NRF52832
Memory : 64M
ECG ECG Chip : Texas Instruments TI
PPG chip: XH3313 (3300 upgraded version, support for sports heart rate)
Battery capacity : 200 mAh
Motor : Built-in, vibration reminder
Waterproof rating : IP67
APP Support Language :
Chinese (Simplified, Traditional), Japanese,
English, French, German, Italian, Spanish, Russian, Portuguese, Korean, Malaysian

If you are unsatisfied with your item for any reason, return it within 30 days of delivery.