Henscoqi TW64 Fashion Smart Sports Wrist Band Bracelet with Bluetooth (Orange) Display Health Parameters This Smart Bracelet can display the time, steps, distance and calorie clearly Sync Sports Data to Andriod Phone (OS must be 4.3 or above and Bluetooth must be V4.0) and ios phone (ios must be 7.0 or above and Bluetooth must be V4.0) Comfortable adjustable Wristband and Light Weight Smart Alarm Built-in vibration mode, a vibration remind alarm that gently vibrates to remind you at your desired time without disturbing your partner. Sleep Monitoring: Accurately monitor total effective sleeping time and motions every night (including light sleep and deep sleep).