Haylou RS4 Smart Watch

Haylou RS4 Smart Watch

Specifications:

• Bluetooth Connection: Bluetooth V5.1
• Main Body Size: 45.2*37.2*11.1mm
• Sensors: Heart Rate Sensor, Motion Sensor, Blood Oxygen Sensor
• Strap Width: 20mm
• Watch Weight: 48.6g (with Strap)
• Display: 1.78" AMOLED Display
• Resolution: 368 x 448 Pixels
• Battery Capacity: 230mAh
• Battery Life: About 12 days (24 Hours Heart Rate Monitoring)
• System requirement: Android 6.0 and above, iOS 11.0 and above. Supported functions will vary with different watches, mobile phones, and countries.