ITEM NAME:Smart Watch Fitness Tracker Sports Bracelet Heart Rate Monitor Women Black Description: Monitor your heart rate, effectively record your fitness status. Auto sleep tracking scientifically analyzes your sleep, helping you understand and improve sleep quality. Supports most smart phones with Bluetooth 4.0; Support system: for iOS 8.4 or above, for Android 4.4 or above. IP67 Waterproof. Withstands splashes or brief immersion in the water, which enables you to walk, run or dance in the rain with no worry. Supports auto sleep tracking, sleep stages analysis, sleep schedule, sleep insights and alarm clock; Remind you the incoming Information and calls, ensures you never miss a message. Other main functions: step counting, mileage, calorie consumption, sleep detection, sedentary reminder, take photos, looking for the bracelet, time synchronization, raising your hand, bright screen, sports mode. Specification: Model: R12 Screen size: 1.14i9nch Appearance size: 252x23x11mm/9.96x0.90x0.43inch Shell material: PC Battery capacity: 90MAH Interface: USB 2.0 Wireless distance: 5 -10m (inclusive) Wristband material: Silicone Bluetooth BLE 4.0 Waterproof level: IP67 Main control chip: HS6620D Acceleration sensor: SC7A20 Package Includes: 1 Piece Smart Watch 1 Piece Charging Cable 1 Piece User Manual Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. SKU: ALU0033872168033709.Wristband material: Silicone. Monitor your heart rate, effectively record your fitness status. Acceleration sensor: SC7A20. 1 Piece Smart Watch. Supports most smart phones with Bluetooth 4.0; Support system: for iOS 8.4 or above, for Android 4.4 or above.