Ultra-large 1.47" TFT Display: The large 1.47" TFT display offers a 10.5% larger viewing area, making it easier to read. Whether you're checking your heart rate on a run or your messages on the way to work, see everything you need with the flick of your B6 Fitness Tracker. 100+ Multiple Fitness Modes: Support 100+ sports modes, including outdoor running, indoor running, walking, cycling, rowing machine, elliptical machine, rope skipping, mountain climbing and other professional sports modes, providing you with more professional and targeted sports data Sleep Better Every Night: With the help of scientific, meticulous sleep monitoring technologies, the QS50 Smart Watch records your real-time sleep condition at different stages such as deep sleep, light sleep and REM, improving your sleeping habits and the quality of your sleep. Smart voice assistant: Makecall,check the weather,ask for addresses,ask for directions and check restaurants. Wake up the smart Al assistant at any time. Completely free your hands. IP68 Waterproof Watch: Whether enjoy cool splashes in shallow water or snorkeling, you can wear your tracker all the time. 5 ATM water resistance rating, making daily wear more worry-free. Convenience in Daily Life: The fitness tracker can notify you of new messages, incoming calls, weather, reminders, etc., allowing you to be up to beats with your life and work. It can also make your life more convenient with music playback control, remote shutter and finding your phone.