Features:

• Heart rate monitor, Pedometer, Sleep monitor, sedentary reminder, call reminder, SMS alert, alarm, sliding touch, long stand, ultra-fast charge, etc.
• Built-inNFC chip: It can automatically transmit within 5cm response distance, fast swiping and replace the bus / metro card
• 66 inchOLED touch screen for information watching: see call notifications, daily stats and time
• G-sensor: adopts the newest flexible sensitive technology, the screen will light on when rotate wrist
• Green lightheart rate sensor: make accurate analysis of the hemokinesis situation with green LED light sensor
• Healthfitness tracker: monitor your activity levels, track walking distance and calculate calories burned, achieve the daily exercise targets you set and work towards a healthier lifestyle
• 80mAh li-polymer battery: long standby time, normal working time is up to 3-5 days
• Light Weight, touch design, easy to operate
• Syncs via Bluetooth with iOS and Android
• IP66 life-level waterproof
• Compatible OS: Android, IOS
• Compatibility: Android 4.3, iOS 7.0 and above system
• Language: English, Simplified Chinese, Traditional Chinese
• Available color: Black, Pink, Purple, White

 Specification:

> Model: DFit D21
> Color: Purple, Pink, Black, White(Optional)
> Material: Plastic
> Charge/Data Port: Specilaised charging port
> CPU: nRF1822(Cortex M0 16MHz)
> Memory: 256K
> Display: 0.66" Capacitive touch screen
> Resolution: 64 * 48 Pixels
> Bluetooth Version: 4.0
> Battery Capacity: 80mAh (Standby time will depend on the actual using situation.)
> Sensor: G-sensor
> Product Size: Approx. 15.5 * 3.5 * 2cm / 9 * 1.36 * 0.78in
> Product Weight Approx. 28g / 2.1oz
> Package Size Approx. 15.5 * 9 * 3cm / 4.7 * 3.31 * 2.73in
> Package Weight Approx. 120g / 7.07oz