•1.43-inch HD Display: Enjoy a clear and vibrant viewing experience with the high-definition AMOLED screen •400mAh Large Battery: Equipped with a big battery to ensure long-lasting performance and less frequent charging •Multiple Sports Modes: Tailor your workout tracking with various sports modes to accurately measure your activity •Heart Rate and Blood Oxygen Monitor: Stay on top of your health with continuous heart rate and blood oxygen monitoring •Bluetooth 5.0 Call: Make and receive calls directly from your wrist, ensuring you're always connected Specifications: Bluetooth Version BLE 5.0 Main Control Chip Realtek8763EWE-VP Memory Flash128MB Screen Size 1.43" Screen Resolution 466*466 Heart Rate 3605 Speaker 0916 Battery Capacity 400mAh Standby Time About 30days Working Time 5-10days Motor Built-in, vibrating reminder Function 1.43-inch AMOLED screen Detachable 22mm strap Standard Multiple watch faces pushing, Customized watch faces Bluetooth calling/BT music(Superior clear audio-like sound effects), Weather Heart rate detection/Blood pressure detection/Blood oxygen detection/Wole-day heart rate monitor Timer, Pedometer, Calorie Consumption, Distance Calculation, Heart rate, Blood pressure, Blood oxygen, Sleep time /quality, On & Off display, Multiple sport modes Sleep detection (Sleep time, Sleep quality) Calls to remind, SMS Reminder, Third-party messaging reminder Multilingual push, Clock alarm, Remote Camera, Sedentary reminder English, Chinese, Japanese, German, French, Spanish, Arabic, Russian, Ukrainian, Russian, Portuguese 400mAh big battery, super long standby time, Bright screen under sunshine Synchronous data to APK/APP APP/APK Download “FitCloudPro" from the Android market, Google Play or iP store Scan the QR code and download "FitCloudPro" OS Android system 4.4 version or above; iOS system 8.0 version or above; Support Bluetooth with 5.0 version Package included: •1 x Smart Watch •1 x Charging Cable •1 x English and Chinese Manual •Other items not included