Features:Heart Rate and Sleep Monitoring : The watch tracks real-time heart rate for 24 hours erveryday continuously and monitor your sleep quality automatically at your rest time ,helping you collect and record health datas and adjust yourself to build a healthier lifestyle.All-day Activity Tracking : The watch records all-days activities like steps,distance,calories burned and provide with periodic data comparison feedbacks.Never Miss Call and Message : Real-time messages and calls can be displayed automatically on the watch in full-text content . You will not miss any informations from this watch reminder.Long-lasting Battery Lifeand Water-resistant : The level of waterproof is IP67 which allows you to wear it in the rain or when washing hands. 7 days of use or 15 days of standby when it is once full-charged .Easy Wireless Charging : With Plug-in charging design , it is convenient to be taken off and directely charged onto your computer ,laptop,charging adator or any power bank. It takes only 2 hours to be full-charged. No need the USB charger. Package Includes:1 Piece Fitness Tracker Watch 1 Piece Wrist Band1 Piece Manual1 Piece Packing Box Specifications:Band Material: siliconeColor: Black or Dark-Blue or Green or Cyan or Purple or RedSize: Approx. 175x83x31mm or 6.9x3.3x1.2 inches Weight: Approx. 43g or 1.52 ouncesMain chip: Telink8266Memory size: 512MBand16MBDisplay : 0.96inch TFT Color Screen(Resolution 80x160)Button Method: Touch ButtonBattery type: Lithium polymer batteryCharging head specifications: 1A or lessCharging method: USB Standby power consumption: Approx. Standby for 15 days, Normal Use for 5-7 days (calculated based on 80mAh battery)Bluetooth-compatible type: Bluetooth-compatible 4.0Font type: Single or multi-language fontSupport APP: Lefun HealthBattery capacity : 80mAhCharging voltage: 5.0VCharging current: 75MAMobile phone system requirements: Support with iOS 8.0 and above compatible system is And-roid 4.4 and above, and support Bluetooth-compatible 4.0 And-roid smartphoneFunction Sports record: Step Count, Exercise time, Exercise Mileage, Calorie Consumption, Sleep Monitoring, Save 30-day Exercise or Sleep Data. note:1.Please allow 0-1g , 1-3cm error due to manual measurement. pls make sure you do not mind before you order.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you3.Any Cellphone is not included.