Specifications :

Operating System : Android,Ios
Special Feature : Distance Tracker, Calorie Tracker
Connectivity Technology : Bluetooth
Wireless Communication Standard : Bluetooth
GPS : No GPS

• M5 Smart Band Fitness Watch Heart Rate with Activity Tracker Waterproof Body Functions Like Steps Counter, Calorie Counter, Blood Pressure, & OLED Touchscreen.
• Dual-mode Water proof Smart fitness Band with Bluetooth.
• 1.1 inch OLED screen and a adjustable strap length of 155 - 216mm It has features such as calling function which enables you receive a call and disconnect it, you can also send and receive messages through it but only supported to android
• Call and SMS Alert: Read messages and receive call notification directly on your band and alerts from applications such as Facebook, WhatsApp, Instagram, etc.
• Compatibility: IOS 9.0 and above, Android 5.0 and above, iOS 7.1 or above, Bluetooth 4.2+5.0