M4 Smart Band Wristband Blood Pressure Heart Rate Monitor Pedometer Sports Bracelets Health Tracker Smart Watch Fitness Bracelet

Type: Calorie Calculation Function
Model Number: Aluminum alloy
Total Length: 235mm
Band Width: 22mm
Main Unit Size: 4.1cm * 1.2cm * 1.9cm(Length x Height x Width)
Bracelet material: ABS, main body cover PC, strap TPU
Battery capacity: 80mah
Battery type: lithium polymer battery
Display screen: 0.96 HD IPS color screen FTF process, single point touch button
Bluetooth: 4.0
System Requirements: Android 4.3 or IOS8.0 or higher mobile phones supporting Bluetooth 4.0
Color: Black | Red | Blue