1. Chip: NRF52832

2. Bluetooth: BT4.0

3. Compatible system: Android 4.4 and above, IOS 9.0 or above

4. Waterproof rating: IP67

5. Screen: 1.3 inch IPS color Resolution: 240*240

6. Touch: Single touch

7. Battery: 180 mAh

8. Charging: Magnetic charging

9. Charging time: about 1.5H

10. Standby: 25 days or so Working time: 7 days or so

11. Bracelet material: PC case + plastic case

12. Product size: about 48.9*34.5*11.7mm/1.92*1.35*0.46in

13. Net weight of the product: about 25.7g

14. APP support languages: Ukrainian, Russian, German, Italian, Japanese, French, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Arabic, Korean.