【Bluetooth-compatible Calling】Supports Bluetooth-compatible calling, allowing you to make and receive calls directly from your watch for convenience. 【IP68 Waterproof】IP68 waterproof rating, perfect for daily use and protecting the watch from water during workouts, showers, and more. 【Advanced Fitness Tracking】Equipped with sensors and professional algorithms to track steps, distance, calories, and more, providing detailed exercise data. 【Customizable Watch Faces】Access over 200 ultra-high-definition local watch faces for free download, letting you personalize your watch style. 【Health Monitoring】Includes heart rate, blood oxygen, and sleep monitoring features, helping you stay on top of your health. 【Superior Sound Quality】AAC speakers deliver high-quality sound, so you can enjoy music or calls with crisp, clear audio. Specifications: Hardware CPU RTL8763EWE RAM+ROM 128Mb FLASH LCD 1.43" AMOLED Screen Resolution: 466*466 LCD brightness 600 lumens Touch panel ONCELL structure Material Zinc alloy case + PC case + stainless steel strap Bluetooth-compatible Version BLE 5.2 Battery capacity 240mAh Standby Time About 30days Working Time About 5days Charing time 2H G Sensor STK8321 Heart Rate Sensor HX3918 Vibration Built-in, Size: 0820 Charging cable Magnet Cable(With SMT Protect IC) Speaker 1508(waterproof horn) Mic TMG4015(waterproof head) Waterproof Level IP68 Charging Requirement Charging 1A or less Software APP Fitcloudpro Function Bluetooth-compatible calling Heart rate detection Blood oxygen test blood pressure detection Time, Pedometer, Calorie Consumption, Distance Calculation Multiple sport modes Sleep detection (Sleep time, Sleep quality) Calls to remind, SMS Reminder, Third-party messaging reminder: Multilingual push Task Reminder (Sedentary reminder) Music Control Synchronous data to APK/APP APP/APK Download Download "Fitcloudpro" from Android market or for Apple store Scan the following QR code and download "Fitcloudpro" System Requirements Android system 5.0 version or above; iOS system 10.0 version or above; Support Bluetooth-compatible with 5.0 version The watch supports languages Chinese, English, German, French,