Specification 
Model:M2S Smart Bracelet
Screen Display Type:0.86" OLED Screen
Heart Rate Sensor Type:Photoelectric Heart Rate Sensor
G-Sensor:Six-Axis Acceleration
Wireless Bluetooth:4.0BLE
Battery:60mAH Polymer Battery Capacity
Standby Time:3-5 Days
Compatibility
OS:Android 4.4 or above and IOS 8.0 and above
Smart Band Colors:Black, Purple, Golden
Watch Strap Material:Silicone
Waterproof Level:IP67
what is in the box: 1 x M2 Smart Band(With Box).1 x Charger.1 x User Manual
What is in the box? 
1 x Makibes M2s Smart Band(With Box)
1 x Charger
1 x User Manual