Specifications: Equipment model: D29HW heart rate smart bracelet. Compatible system: Support Android 4.4 or above, IOS7.0 or above. Sensor: Gsensor kx022-1020. Heart rate sensor: Silicon labs Si1142. Vibration: Yes. waterproof dustproof: IP65. Screen size: 0.66inch. Screen type: OLED. Bluetooth: 4.0 BLE(low power consumption). Material: front shell, Back shell: Plastic, wristband: silicone. Product size: mainframe: 20.0x13.7mm, Wristband range: 155mm-210mm. Net weight: about 26g. Screen display: blue. Button: one button. Control mode: Button control/Gesture control. Data Storage: 7 days. Battery type: Lithium-ion battery. Battery Capacity: 60 mAh. Battery life: 25-30 days. Charging method: 3 point contact charging. Charging time: 1-1.5 hours. Package List: 1 × Smart Bracelet. 1 × Charging Clip. 1 × English Manual.

• Monitor your sleep quality and heart rate automatically
• Multifunction: Pedometer, calorie consumption, distance calculation, sleep monitoring,with heart rate monitor function,find phone, anti lost reminder (mobile phone out of range, call reminder, caller ID,time display,silent vibration alarm)
• Waterproof: IP657, Never mind your smart bracelet get wet in raining days, but remember do not worn in the shower
• OLED Display: 0.66" Blue Screen, see call notifications, daily heart rate and time of day on the OLED display
• Compatible with: IOS 7.0 and above iphone 6 plus/6s/6/6s plus/iphone 5c/5s, Android 4.4 and above samsung galaxy s4/s5/s6/s6 edge/s6 edge plus/s7/s7 edge/note 3/note 4/note5,huawei,lg,sony,doogee etc.

Monitor your sleep quality and heart rate automaticallyDEDEGUI