Features:1. Heart rate monitoring, blood pressure monitoring, sleep monitoring, sedentary reminder, always pay attention to your health, and give yourself and your family a health guarantee.2. Support female physiological period function reminder, even if the work is too busy, you are not afraid to forget.3. Pedometer,Step Traker, distance, calories, stopwatch, countdown, call reminder (caller number/name), message reminder, alarm reminder, anti-lost reminder, sedentary reminder, remote control photo, lift wrist bright screen, etc., Make your life easier. No GPS module, support GPS track query.4. IP68 deep waterproof, no fear of sweat, rain. It makes you feel at ease when you do exercise.5. Support multi-language, Bluetooth 4.0 App operating system: for IOS8.0 or above,for Android4.4 or higherGsencor sensor: KXTJ3-1057Master: nRF 52832Heart rate sensor: Yiguang PD70-01C-TR7Vibration reminder: motor vibration reminderWaterproof rating: IP68Display: 1.14" 135*240 resolution TFTBluetooth: BLE 4.0Strap material: silicone strapHost size: about 47*24*13mm/1.85*0.94*0.51inchMachine size: about 260*24*13mm/10.24*0.94*0.51inchOperation: single touch, lift the wrist screen will bright.Battery: polymer lithium ion batteryBattery capacity: 100 mAhStandby time: 7-10 daysCharging method: magnetic charging cableCharging time: about 2 hoursSupported languages: Chinese, English, German, Russian, Japanese, French, Korean, Portuguese, Spanish, Italian, Persian, Vietnamese. Packing list:1* smart bracelet1* charging cable1* instruction manual