Vktech® Bluetooth4.0 Smart Wristband Sports Sleep Tracking Health Fitness Tracker

Features:
Vidonn X5 Smart Wristband Sports & Sleep Tracking Bluetoooth 4.0, IP67 PC cloud service.
Tracks your daily activity and sleep quality, make your life funnier.
The First Smart Wristband with OLED
Screen clearly displays steps, calories, distance, time and sleep quality.
Built-in USB 2.0, connect it to the PC to sync and get charged. No USB cable needed.
Built-in rechargeable li-battery, work for up to 4 days after fully charged.
IP67 Protection Grade: Safe to wear in the shower or dance in the rain. Best
Tracks your sleep time, the times of your wake up.
You can set 8 alarm clocks, silent vibrate mode, gently wake you without disturbing your partner sport companion.
Light-weight, Only 20g. Comfortable to wear.
Automatically sync your data to iPhone 4S, 5, 5S,5C, iPad 3, iPod touch 5, Samsung Galaxy S4 via Bluetooth, visualize your daily activity and sleep quality throughout the day, week or month
Sports & Sleep Tracking: You can download and upgrade the Vidonn APP at APP store. It works with the device to keep everything tracked on the go.
You can share your activity and achievements, challenge and compete with your friends.

Specifications
Brand & model: Vidonn X5
Bluetooth version: Bluetooth 4.0
Waterproof: IP67
Material: ABS plastic, TPU rubber and alloy
Display: 0.49in OLED display
Battery: 40mA li-polymer battery
Standby time: 4 days
Compatible with: for iPhone 4S,5,5S,5C,iPad 3,iPod touch 5,for Samsung Galasy S4
Operating system: Windows XP/Vista/7/8, Mac OS X 10.5 and above
Product weight: 20g / 0.7oz
Package size: 15.5 * 10 * 3.5cm / 6.1 * 4 * 1.4in
Package weight: 120g / 4.23oz
Includes:
1 x Smart Wristband
1 x User Manual