2016 hottest!!!! top smart bracelet

Specification/span
1. Colors
Black/Green/Rose Red
2. Size 
69.1mm*15.8mm*11.2mm.
3. Battery & Power
Battery life 4days
Battery type 40mAh Li-battery
4. Wireless sync to mobile 
iPhone 4S,5 iPad 3,Retina iPad mini iPod touch,5th generation Samsung Galasy S4
Samsung Galaxy S ? Samsung Galaxy Note ? Samsung Galaxy Note 10.1 . 
5. Memory 
Syncing your data regulary. 
6. PC & Mac requirements 
Windows XP/Vista/7/8
Mac OS X 10.5 and up
USB port 
Internet connection
7. Environmental requirements 
Operating Temperature -4?to 113?F (-20?to 45?C)
Non-Operating Temprature -22?to 140?F(-30?to 60?C)
Water Resistant 
Device is water resistant, and can be submerged up to 1~2 meters.
Maximum Operating Altitude 30,000 feet (9,144 m)

Features

1. The First Smart wrist band with OLED screen
Show the steps?Calorie?Distance?Time?Sleep quality clearly. 
2. Support Bluetooth 4.0 Low energy Technology
X5 automatically syncs your data to PCs, Macs, iPhone 4S & 5,iPad 3, Retina & mini, iPod touch, and to select Android Phones.
3. IP76 Protection grade 
Easy to wear with Water-resistant, wear it all day and night even if swimming, rainning, or wash your hands. Your best activity companion.
4. Build-in USB charging
Unique standard USB port in the host. Easy for charing with computer and battery bank, without any other charing components.
5. Silent Vibrate Mode 
Build-in silent vibrate mode, a silent wake alarm that gently vibrates to wake you at your desired time,without disturbing your partner. 
6. Light-weight 
Only 18g. It fits comfortably around your wrist. 
7. Help you to get a better Sleep 
Smartband tracks your sleep time, the times of your wake up. Also with a silent wake alarm.X5 will help you to improve your sleep quality. 
8. Share and Compete With Friends
Make progress, win your wards for daily, weekly, monthy achievements. 

1. OEM, ODM, OPM of Bluetoothc Bracelet

2. ISO9001 standardized production and quality control

3. 1-year Warranty

4. Professional services on pre-sale and after-sale technical and trading support

5. Abundant experience in international trade

6. Ever-updating unique cloud services