ITEM NAME:1.3inch Screen Smart Watch Blood Pressure Waterproof Fitness Tracker Black Description: 1.3 inch large screen brings a comprehensive and rich information display, and the efficiency improvement is obvious. 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: iOS 9.0 or above, 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, smart alarm, shake and take photos, smart anti-lost, looking for the bracelet, time synchronization, raising your hand, bright screen, sports mode Specification: Screen size: 1.3inch Material: TFT curved glass Battery capacity: 150 mAh Product weight: 58g Wearing method: wristband Mode of operation: touch Interface: USB 2.0 Wireless distance: 5m (inclusive)-10m (inclusive) Communication function: not supported Wristband material: silicone Bluetooth Version: 4.0 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: ALU0036562468031767.Monitor your heart rate, effectively record your fitness status. IP67 Waterproof. 1 Piece Smart Watch. Supports most smart phones with Bluetooth 4.0; Support system: iOS 9.0 or above, Android 4.4 or above.