High-definition large screen eye-catching full view: Featuring a 1.96-inch TFT high-definition large screen. Full-screen display The image quality is delicate and clear, with brilliant colors, Bringing you a better visual experience HD Bluetooth call don't miss important calls: Adopting high fidelity AAC waterproof speaker, Bluetooth hands-free communication, Whether exercising or driving, Watch one-click answer, Make communication more free Raise your hand to view information: Support information push for tens of thousands of apps and don't miss important information 100+ Sport Modes: Built-in 100+ sports modes, as you like, to stimulate your various sports potential 3ATM waterproof: Each unit has undergone strict air pressure and vacuum waterproof testing, Meet the 3ATM waterproof standard. 4 Wear it in daily life, as you please Extra long range: The machine adopts 420mAh high-voltage pure cobalt cells, with stable performance, longer battery life Specifications: Hardware Display screen 1.96 inch TFT high-definition, 240*282pixel CPU Realtek 8763ewe Touch Full-screen touch Key two Button encoder Bluetooth BLE5.2 Heart rate sensor VC30F G-sensor SC7A20 Speaker A 0916 Standby time 50days Work time 7-10days Battery 420mAh System support Andrews 4.4 above and IOS 9.0 above, 5S above Function Heart rate monitoring support One-click link support Bluetooth call support SpO2 support BP 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 <td style="width: