1. Material: zinc alloy, TPU, electronic components 2. Functions: step counting, mobile positioning, monitoring, smart reminder, remote control selfie, health monitoring, information push, tracking/alarm, motion tracking, sleep analysis 3. App supported languages: Android: English, Czech, German, Spanish, French, Italian, Japanese, Korean, Portuguese, Russian, Thai, Simplified Chinese, Traditional Chinese; IOS: Simplified Chinese, Traditional Chinese, English , French, German, Japanese, Spanish, Italian, Korean, Russian, Portuguese, Polish 4. Body memory: RAM64KB ROM32Mb 5. Processor: HS6620D 6. Screen size: 1.44 inches (TFT screen) 7. Screen resolution: 240 x 240pixel 8. Bluetooth version: 4.0 9. Wireless distance: 5-10m (inclusive) 10. Wearing method: wristband 11. Compatible system: fully compatible 12. Battery capacity: 350mAh lithium battery 13. Battery life: about 15 days 14. Standby time: about 45 days 15. Operation mode: touch + button 16. Waterproof grade: IP68 17. Magnetic fast charging, more convenient to use, fast full charge 18. LED light sensor design on the back of the watch, real-time monitoring of heart rate 19. Adopt 1.44-inch wide-area high-brightness screen, 2.5D full touch screen, sensitive to touch 20. Zinc alloy shell, button design on both sides, prevent accidental touch