B05 smart bracelet function description:
Function Band Screen Bracelet (0.96 inch TFT)
Heart rate detection
Time display, step count, calorie, distance display with screen
Standard sports function (step, distance, calories)
Sleep monitoring (sleep time, sleep quality)
Incoming call notification, message push
Anti-lost alert (mobile phone out of range alert)
Specifications
Mobile phone system requirements: Android 4.4 and above, IOS 8.0 above, Bluetooth 4.0
Bluetooth version: Bluetooth 4.0
Bluetooth chip: Mcube ST17H25
Heart rate module: HRS3300
Screen display: 0.96 inch/TFT
Battery Capacity: 110mAh

Keys: Touch keys
Motor: Built-in, vibration alert
Charging interface: USB line
Waterproof rating: IPX7
Sensor: Gravity Sensor