PRODUCT DESCRIPTION: 1. Main control chip RLC8762, 2. Compatible system Android 4.4 and above, iOS 8.2 and above3. Features: Color screen, multi-sport mode, weather forecast4. Screen size: 0.96 inches HD5. Color screen: TFT 80*1606. Bluetooth: 4.2BLE (low power consumption) 7. Battery type: polymer lithium battery8. Battery capacity: 90mAh9. Charging method: USB direct charging10. Charging time: about 2H11. Data storage: 3 months12. Control mode: full touch control, mobile APP control13. Product Language: "Bracelet Push Support Language: Nearly 200 national languages in the world, push for global fonts14. APP support languages: Russian, German, Italian, Japanese, French, Simplified Chinese, Traditional Chinese, Portuguese, Spanish, Arabic, Korean15. Appearance material Front shell: PC, Rear shell: ABS PC, Wrist strap: Environmental protection TPE16. Product color: black, blue, red17. Packing list: bracelet, strap, instruction manual, packing box18. Bare metal weight 21g (including wristband) 19. Bracelet: size (length 25.0* width 2.0* thickness 1.16) cm20. Main functional features "multi-sport mode, weather forecast, full font, high-definition 0.96 color screen, dynamic 3D interface UI, heart rate monitoring, blood pressure monitoring, step counting, calories, distance, sleep monitoring, sports mode, call reminder, alarm reminder, Raise your hand to brighten the screen, socialize on Facebook, Twitter, etc., shake pictures, two-way search Features 1. HD 0.96 color screen, dynamic display UI interface2. Smart home interaction, global word library content push, 3. Multi-sport mode (swimming, skipping rope, table tennis, tennis, etc., blood pressure monitoring, sleep monitoring4. Environmentally friendly hand-held TPE strap, worn with a sense of loneliness. Turn the wrist automatically to brighten the screen5. Carry out monitoring of changes in physical health values, discover and test various health data, display risk status and assessment results