Fangrui Product Details 1. Fd68 1.3 Inch Color Round Screen Sport Smart Watch, Support Heart Rate Multi-sports Mode 2. Features 3. Wrist Optical Heart Rate, Light Up When You Lift Your Hand, Real-monitoring Of Heart Rate Changes. 4. Bt Connection, Stable And No Wire Needs, Convenient And Quick. 5. Built-in Multiple Sport Modes, Alarm Clock, Step Counting And Other Practical Functions. 6. Eco-friendly Silicone Watch Band, High Toughness, Skin-friendly, Comfortable To Wear. 7. Real- Body Monitoring, Included Heart Rate And Sleeping Condition. 8. Message Remind And Transfer At Real, Control Take Pictures 9. Tempered Glass Screen, Wear-resistant And -scratching. 10. High Definition Color Screen, It Is Clear And Not Dazzling In Dark Night. 11. Compatibility Android And Ios System, Intelligent Sport . 12. Built-in Usb Interface, Plug And , Universal, Prcatical, Convenient And Quick. 13. Specifications 14. Screen Size: 1.3 Inch 15. Operation Way: Press To Control 16. Battery: 60mah (included) 17. Bt Version: 5.0 18. Applicable System: Ios,android 19. Watch Band Material: Tpu 20. Watchcase Material: Alloy Metal + Lastics 21. Way: Built-in Usb Inter Port Designed For Modern Living