For Band 8 Smartwatch Adult BT Wireless Call Sports Fitness Alarm Reminder Watch 8 Smartband For Mi Band 8 Smart Bracelet Android iOS Product parameters Product model standard version: M2239B1 Product dimensions: 42mm*24.8mm*10.4mm Screen size and type: 1.47-inch screen Screen resolution: 172*320 Touch screen: Capacitor full touch Shell material: IML Waterproof grade: 5ATM Wireless connection: Bluetooth BLE 5.0 Battery capacity: 150mAh Battery type: lithium-ion polymer battery Button: Single side key switch Charging type: Magnetic charging Watch body: Zinc alloy System languages: English French Spanish Portuguese Russian German Italian Thai Dutch Czech Turkish Malaysian Slovak Polish Japanese Support system: Android 5.0 or iOS 10.0 and above Main Functions Time Sync Alarm Multiple sports Weather Gesture wakeup Sleep monitoring Timer Find phone Coming call/SMS reminder Notification push Heart rate monitoring Blood oxygen detection Respiratory training Female Menstrual cycle Temperature detection Remote photograph Remote music control Watch faces Push watch face DIY watch face Remote upgrade Data sync Call Packing list Body of bracelet x 1 Special charging cable x 1 Instruction manual x 1 Note: Waterproof: Life waterproof allows the watch to be used normally when washing hands and in rainy days, but not for swimming and bathing. (Please be careful to avoid corrosive liquids like hand sanitizer, soap entering the watch and causing component damage.) After receiving the watch, please charge it first. Because after a long period of logistics, the watch has a low battery. Before using, scan the QR code on the manual to download the app and connect it to the watch with APP.