2.0" large screen: The 2.0-inch HD retina display is adopted, with a resolution of 240*282 pixels, the picture quality is exquisite and clear, and the color is gorgeous, bringing you a better visual experience Bluetooth call function: Connect once, can answer or hang up call on the watch 24h Heart rate monitoring: Low power dynamic heart rate chip is used to monitor more quickly and accurately. 24-hour continuous monitoring, APP records can be checked at any time to keep abreast of heart health 100+ Sport modes: A variety of daily exercise modes, satisfying both indoors and outdoors. Provide multiple sports-related data to meet different people's exploration of spoieLet you fall in love with healthy exercise Deep waterproof: Each one has undergone strict air pressure and vacuum waterproof tests, and reaches the IP67 waterproof standard Specifications: Hardware parameters Display screen 2.0 inch TFT high-definition, 240*282pixel CPU Realtek8763ewe touch Full screen touch Key one Button Bluetooth BLE5.2 Heart rate sensor VC30F G-sensor SC7A20 Speaker A 0916 Standby time 45days work time 7-10days battery 300mAh System support Android 4.4 above and IOS 9.0 above, for iPhone 5S above Function parameter Heart rate monitoring support One-click link support Bluetooth call support SpO2 support BP support blood glucose support Temperature check support bright adjustment support Breathing exercise support Voice assistant support Raise the hand on the screen support SMS display Other QQ, WeChat, Facebook, Line, WhatsApp and other reminders Multiple sports modes 100+ species Weather support Flashlight support Clock display support Alarm clock Vibration reminder SOS support game support Calculator support Female Menstrual Cycle support music support Versatile dial support Dial wallpaper support Sedentary reminder support Do not disturb mode support Find the bracelet support Remote photography support Sleep monitoring support Step distance Calorie support Appearance parameters Material Body: PC+ABS, Strap: silicone Machine size 39.8*47.8*10.8mm Strap size 22mm*225mm Weight 45g Waterproof level IP67 Product Certification <td