M2 smart bracelet

Step counter 
Heart rate monitor 
Calorie counter 
Sleep monitor 
Alarm clock 
Call reminder 
SMS alerts  
Standby time: 300 hours 
Length: 235 mm
Width: 19 mm 
Screen: 0.42 inches OLED 
Bluetooth: Bluetooth 4.0, compatible with Android and iOS 
Touch mode button 
Water resistant (do not use for swimming or in the shower)
Charging interface: USB 
Colors: black, orange, yellow, green, blue

Package includes:
1 * smart bracelet
1 * USB charging cable
1 * user manual