Features: 1. Wearable device 2. Bluetooth 4.0 3. Heart rate, pedometer, call 4. Support Android/IOS mobile phone message push Hardware Information: Model: hw22pro Product size: 44*38*10.5mm CPU: MT2502 Flash: 32M+32M G-sensor: support Geomagnetic sensor: support Amplifier: support Bluetooth: 4.0 Display Size: 1.54 inch TP: capacitive multi-touch Heart rate sensor: support Motor: support Charging method: 2PIN thimble charging Microphone: support Side key: support Speaker: support, speaker and earphone in one Battery capacity: 180mah Software Function: Basic functions: Bluetooth dialing, phone book, call log, information, exercise record, heart rate, blood pressure monitoring, physical training, sedentary reminder, Bluetooth music, sleep monitoring, notification reminder, file management, settings, recording, alarm clock, stopwatch, remote Take photos, find mobile phones, calendars, calculators, Watch-side language: support European, Southeast Asian languages APP system: OS 9.0 and above, Android 5.0 and above