K22 1.28 inch IPS Screen Smart Watch, Support Menstrual Cycle Reminder / Bluetooth Call / Sleep Monitoring1. System requirements: Android 4. 4 and above, IOS 8. 0 and above 2. Bluetooth version: BLE 5. 0 3. Main control chip: Realtek8762C 4. Memory: Flash 64MB 5. Screen resolution: 240*240 6. Battery capacity: 400 mA 7. Standby time: about 30 days 8. Working time: about 7 15 days 9. Functions: heart rate detection, blood pressure detection, blood oxygen detection, Bluetooth call, Bluetooth music, pedometer, calories, distance, stopwatch, multi sports

Output power: 4Ω 3W x 2

The unique transparent design allows users to quickly see the contents of the bag without rummaging

when the earphones are removed from the charging box

Carton Size 55cm * 49cm * 62cm / 21

Wide Application & Support:laptop cooler pad meets your needs for using notebook computers in-home/office/outdoor

Carton Size 54cm * 38cm * 37cm / 21

One Package Size 21cm * 16cm * 2cm / 8

Proximity Light Sensor

Feel free to adjust the viewing angle

and together with mini WiFi router and WiFi intelligent bridge that is elaborately developed by HouTian Network

For Bose soundlink 3 bluetooth speaker

generally charging 3-4 hours