About Products
1. CPU: Original phase 2860
2. Bluetooth version: BLE 5.1
3. Battery capacity: 18 mAh
4. Standby time: about 45 days
5. Working time: about 3-5 days
6. Charging time: 0.5 hours
7. Acceleration sensor: QMA6100P
8. Heart rate sensor: HX3605
9. Charging cable: magnetic charging cable with patch protection IC
10. Waterproof level: IP68
11. Charging requirements: charging 1A or less
12. APP: Nx RING
13. APP supports languages: Chinese, English, Japanese, Korean, German, French, Spanish, Arabic, Russian, Italian, Portuguese, Hindi, Ukrainian, Polish, Dutch, Malay, Greek Arabic, Indonesian, Turkish, Slovak, Czech, Thai, Romanian, Xhosa, Slovenian, Greek, Hungarian, Vietnamese, Lithuanian, Urdu, Bulgarian, Croatian , Latvian, Estonian, Swedish, Khmer, Danish, Bengali.
14. System requirements: Android5.0+ / iOS10.0+
15. Size 23 (inner diameter and circumference 64.6mm)

Functions: supports heart rate detection, blood oxygen detection, sleep monitoring (sleep time, sleep quality), body temperature detection, remote photography, multiple exercise modes, step counting, and synchronization of data to APK/APP

Packing list:
Smart ring x 1
Charging cable x 1
Instructions x 1