Heart Rate Smart Bracelet has fashionable and simple appearance, UNISEX. This Heart Rate Bracelet Adopt toTouch screen design, the function incould Real-time Heart Rate Measurement ,step count, calories burning, besides it also has sleep monitoring, call reminder and Infotip. 

Basic parameter
Main function: Real-time heart rate measurement; Step count; Calorie Burning; Distance; Sleep monitoring; Call                          reminder;
Pod O'Clock; Infotip; Flip screen
Compatible system: Android 4.4 or above; iOS 7.1 or above
Sensor: Three-axls acceleration sensor
Chip: Nordic  nRF51822
Heart rate sensor: Green light static heart rate sensor
Shake: Real-time vibration reminder (non-bluetooth connection state)
Screen
Size: 0.66 inch
Screen type: OLED 64*48dpi

Connection parameter
Outward Material: TPE
Size: Main body: 46.5*30.0*12.5mm     Watchband: 256*30*12.5mm
Net weight: 32g
Color: Black, Champagne, Blue, Pink and Purple
Other features: 
Control mode: carry wrist display, touch button    Data storage: 7 days of detailed movement data
Battery type: Polymer lithium battery
Battery capacity: 100mAh
Standby time: 7 day
Charge type:The bullet contact charges
Charge time: About 1 hour