Features: Call function: Bluetooth call Music function: can play mobile phone music and local music. Can be connected to TWS earphones/Bluetooth speakers/earphones Memory function: 8GB memory (can store music/U disk use) Health monitoring: step counting, sleep monitoring, heart rate, blood pressure, blood oxygen, reminder for long sitting, reminder to drink water Exercise step count: exercise steps, exercise mileage record, calorie consumption, multiple exercise modes Standby time: 7-10 days for BLE connection, 3-5 days for dual Bluetooth status, 5 hours of continuous call/music playback Other functions: remote camera, music control, call ringtone, recording WeChat Campaign: Follow the official account. You can share and synchronize to the WeChat campaign Specification: Battery: 260MAH (Seiko protection board) Display screen: 1.28 inches TFT (resolution 240*240 full circle) Waterproof grade: IP67 grade (life waterproof) Bluetooth: Bluetooth LE4.0 (support Android 4.4/IOS9.0 and above) Touch: full touch screen + physical buttons (full fit screen) Sensor: 3D accelerated ROHMS Shell material + button: zinc alloy + ABS plastic + stainless steel APP Name :Diri Fit Package: 1*Smartwatch 1*User manual 1*charging cable 1*packing box