Product information:
Color: Black (8 size), Black (9 size), Black (10 size), Black (11 size), Gold (8 size), Gold (9 size), gold (10 sizes), Gold (11 sizes)
Applicable people: general
Battery capacity: 17mAh
Additional functions: steps, sleep monitoring, heart rate tracking, exercise data recording, health monitoring, blood oxygen measurement
Waterproof grade: 5ATM
Charging time: about 1 hour
Life (time): 5-7 days of use, 15 days of standby
Ring size inner diameter (mm): no.7 mm, no.8 mm, no.9 19.2, no.10 20mm, no.11 mm, no.12 21.6mm
Wearing method: Ring
Application: QRing
Compatible Systems: Android5.1 (inclusive) and above, IOS8.0 (inclusive) and above
FLASH memory: RAM208KB FLASH 512KB
BT: 5.0 Bluetooth LE compatible chip
Acceleration Sensor: Silicon Creation STK8321
Heart rate: Vcare VC30F
Battery Type: polymer lithium ion
Capacity: 15 mA hours
Charging Method: magnetic charging
APP software features:
QRing: steps, sleep, heart rate, and exercise data records
Health monitoring, blood pressure, blood oxygen measurement
More than sport mode, take photos
Supported languages: Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Turkish, Hebrew, Greek, German, Italian, Ukrainian, Czech, Slovak, Slovenski jezik, Japanese, french, Polish, Thai, Estonian, Swedish, Lithuanian, Simplified Chinese, Traditional Chinese, Romanian, English, Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean, Malay

Packing list:
Smart ring+charging case+manual/Smart ring+manual
Product Image: