M4 Smart Bracelet Band Color IPS Screen Smart Band Sport Fitness Pedometer Tracker Watch Heart Rate Blood Pressure Smart Band

Type: Calorie Calculation Function
Model Number: S-451
Color: Black | Red | Blue
Total Length: 235mm
Band Width: 22mm
Main Unit Size: 4.1cm x 1.2cm x 1.9cm
Bluetooth: 4.0
Battery Type: lithium polymer battery
Battery capacity: 80mah
Display: IPS
Life waterproof: IP67