1.57 "hd Shining Full Screen 3d Exercise Bracelet Body Monitoring Smart Watch Ep08 Smart Watch Pedometer Sleep Monitoring Product name: EP08 smart watch Display: 1.57 inch HD color screen Chip: GR5515 Battery capacity: 210mAh Waterproof grade: IP67 Standby duration: 15 days version: 5.1 Support system: IOS8.0 or above, Android 4.4 or above Charging duration: 2 hours Material: tempered glass, 316L stainless steel tU Dial size: 27mm Strap length: 140mm-215mm (self-adjustable) Weight: 37g Specifications: 1. Reshaping the shape of square watch, the integrated design of 3D curved glass and zinc alloy watch body. 2. 1.57 "HD Shining Full Screen 3. All-weather blood oxygen monitoring 4. GTS5 supports all-day blood oxygen monitoring, and the accuracy of blood oxygen measurement reaches the level of oximeter, allowing you to know the blood oxygen status at any time. 5. Support receiving and calling 6. One-key call, you can make a call directly on the watch 7. Whether it is outdoor fitness or doing housework, can make your call more convenient and fast 8. MAI health assessment system: MAI health vitality index is to convert heart rate, sleep, exercise and other health data into MAI values, so that users can intuitively understand the level of physical vitality. Package Included: 1 * Smart Watch 1 * Charging line 1 * Instruction