Honor Watch S1 specifications:
1.04-inch (208 × 208 pixels) black and white touch screen memory LCD
Compatible with
Android 4.4 or iOS 8.0 devices
Sensors: 6-axis (accelerometer + gyro) sensor, Heart rate sensor (PPG), Ambient light sensor
Bluetooth 4.2
Dustproof and Waterproof (IP68), 5ATM waterproof
Dimensions: 246.5 x 39.5 x 9.9~11.2mm;Weight: 35g
80mAh battery
