2016 high quality reasonable price bluetooth smart bracelet with heart rate monitor tw64 smart wristband

Function:

counting steps, distance, calorie consumption management, sleep management, time display, event reminders (water, medicine, custom meeting, etc.), call alerts, message alerts, clock display, sedentary reminder, vibration alarm, remote control self-timer, intelligent anti lost
Supported models: iPhone 4S / 5 / 5C / 5S / 6 / 6P IOS6.1 higher, Android 4.3 or later and

Parameter 

Waterproof Standard: IP-X6
Appearance material: Strap: Soft
The main chip: Quintic QN9021
Bluetooth chip: Quintic QN9021
Bluetooth version: 4.0BLE (Low Power)
Memory: 64KB RAM + 64KB ROM
Sensor: Gravity acceleration sensor
Battery: 301 425
PCB Size: 34.6 * 14.5 * 0.8
Display: OLED64 * 32

Product picture