LIGE | Ultra-thin Smart Bracelet Sports Fitness Tracker Couple Band Heart Rate HRV Health Monitor Call Reminder Waterproof Smartwatch

*New Men Smart Bracelet Women Health Band Ultra-thin Heart Rate Sports Fitness Tracker Waterproof Couple Smartwatch Long BatteryHow to Power On:This smart bracelet features a screen and buttonless design and needs to be charged to power on. After receiving the package, it is recommended to charge it for half an hour before attempting to turn it on.Parameter:--Waterproof: IPX8--Material process: Zinc alloy + epoxy resin--APP name: Nx Wear--Bluetooth: 5.3--Battery Capacity: 33mah--Charging time: 2 hours--Normal using time: 5 days--Charging: Magnet Cable(With SMT Protect IC)--Operating temperature range: 0-45℃--APP Compability: For Android 6.0 and above, Apple IOS 11.0 and above--Operation: Smart bracelets has no touch and no buttons; App initiates movement and function testsFunction:Heart rate detection,Blood oxygen test,Pressure detection,Heart rate variability,Female physiological cycle,Shake it to take a photo,Multiple sport modes,Sleep detection (Sleep time ,Sleep quality),Step count,Synchronous data to APK/APP