?Smart Wristband Sports & Sleep Tracking
Bluetoooth 4.0， IP67
PC cloud service Vidonn X5 Tracks your daily activity and sleep quality， make your life more funny. 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. Safe to wear in the shower or dance in the rain. Best sport companion. IP67 Protection Grade Give You Better Sleep 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. Only 20g. Comfortable to wear. Light-weight 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. Sync Your Data See Your Progress 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
Color	Black， rose， green
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

Three colors
for your option Black， rose and green.