Vidonn X5 IP67 Bluetooth V4.0 Pedometer Smart Wristband Bracelet with Sports & Sleep Tracking Compatible with iphone App Store / PCs

Vidonn X5 IP67 Bluetooth V4.0 Pedometer Smart Wristband Bracelet with Sports & Sleep Tracking Compatible with iphone App Store / PCs Your Gallery B00KQHIJPKPVXA5 | Features
Built-in silent vibrate mode with a silent wake alarm that gently vibrates to wake you at the desired time without disturbing your partner
Lightweight, comfortable to wear
Automatically syncs your data to other devices including PCs, Macs, iPhone 4S & 5, Samsung Galaxy S3, S4, Note2, Note3 etc.
Helps you to get better sleep by tracking your sleep time and waking time

General Specs:
Brand & Model:Vidonn X5
Bluetooth Version:v4.0
Material:ABS plastic, TPU rubber and alloy
Display:0.49″ OLED display
Battery:40mA li-polymer battery
Standby Time:4 days
USB Port:USB2.0
Operating Systems:Windows XP/Vista/7/8, Mac OS X 10.5 and up
Working Temperature:-20℃+45℃
Storage Temperature:-40℃+45℃ ( loading info … )