K22 1.28 inch IPS Screen Smart Watch Support Menstrual Cycle Reminder / Bluetooth Call / Sleep Monitoring(Grey)

1. System requirements: Android 4.4 and above IOS 8.0 and above2. Bluetooth version: BLE 5.03. Main control chip: Realtek8762C4. Memory: Flash 64MB5. Screen resolution: 240*2406. Battery capacity: 400 mA7. Standby time: about 30 days8. Working time: about 7-15 days9. Functions: heart rate detection blood pressure detection blood oxygen detection Bluetooth call Bluetooth music pedometer calories distance stopwatch multi-sports mode female menstrual cycle reminder incoming call notification message reminder alarm clock reminder remote camera sedentary reminder to wait10. 45.4x45.4x10.8mm weight: 69g