Rogbid Tank S2 1.83 inch IPS Screen Smart Watch, Support Bluetooth Calling / Blood Pressure / Sleep Monitoring, S2 (Black) % W-KING Operating temperature: -20~60 degrees Celsius

Operating temperature: -20~60 degrees Celsius

storage temperature -30 to 70 degrees Celsius

Noise Ratio: Wide Band: >=45dB

equivalent 12mm focal length

Rogbid Tank S2 1.83 inch IPS Screen Smart Watch, Support Bluetooth Calling / Blood Pressure / Sleep Monitoring, S2 (Black) % W-KING Operating temperature: -20~60 degrees Celsius1. Support Bluetooth calls, heart rate detection, blood oxygen detection, blood pressure detection, time display, step counting, calories, distance, heart rate, multiple sports modes (more than 100 modes), sleep monitoring (sleep time, sleep quality), incoming calls Notification, information reminder, multi language push, task reminder (sedentary reminder), music control, sync data to APK APP 2. System requirements: Android 5. 0 and above, IOS 10. 0