Screen: 0.91' OLED.
Strap Material: TPU
Battery: 800mAh, charge with micro USB in package
Standby time: 7 days.
Bluetooth standard: BT4.0BLE.
iPhone 4 /4s, iPhone 5/5s, iPhone 6/6Plus, iPad mini 1/2/3, iPod Touch 5, iPad air 1/2, Samsung galaxy S3/S4/S5/S6/S6 edge,note 3/note4, A3/A5, Nexus, Google and other Android 4.3 or Apple Devices.
1 X fitness tracker wristband
1 X micro USB cable
1 X user manual
Pedometer: Tracks steps, distance, calories burned and active time statistically; Sleep monitor: give reports about your sleep time, how long you took to fall asleep, how many times you woke up, and how long you spent in light vs deep sleep
Vibration alarm to remind: Alarm clock, calls, text messages, won't disturb or wake up other people
Remote shutter: Remote control of your cellphone camera, no need to take selfie stick along any more
Free Android and IOS App, available in Apple store and Google play store, not available in Samsung APP store, compatible with Apple IOS 6+ and Android 4.3+ device
NOTE: We got complain from customer that user manual is not simple and clear enough, we updated new version urgently, please download image at left side to find the updated user manual, or contact us by mail, we will reply within a few hours