Features: Support heart rate monitoring and blood pressure measurement. 0.96 inch color screen, high resolution images. Remind you if there is a message or a call coming. Record the steps into your bracelet every day. Monitor and analyze your whole sleep quality. Support life waterproof and Stopwatch function. Support Android 4.4 and above, IOS 8.2 and above, BT 4.0 version. Parameters: Screen: 0.96 inch screen (160*80) Chip: NRF52832 Memory: 256K+16M BT: BT 4.0 System: for Android 4.4 / IOS 8.2 and above Charging: USB Charging Battery: 105mAh polymer lithium battery Working time: 7 days Standby time: 30 days Language: Simplified Chinese, Traditional Chinese, English, French, German, Italian, Japanese, Korean, Malay, Portuguese, Russian, Spanish Main functions: Time, step count, heart rate monitor, blood pressure measurement, calories, distance, alarm, sleep monitor, call reminder, message reminder, sedentary reminder, stopwatch, phone search,etc.