R04 SIZE 7 Smart Ring, Support Heart Rate / Blood Oxygen / Sleep Monitoring / Take Photos(Silver)

About Product

1. Chipset: Jeri

2. Bluetooth: 5.4

3. Sensor chip: STK8321-W

4. Battery Capacity: 15mAh(18mAh for size 9 and above)

5. Battery life: 5-7 days of use and 15 days of standby

6. Charging time: around 1.5 hours

7. Waterproof: 5ATM

8. Size 7: Dia 17.5mm; Circumference 55mm

9. Charging method: Magnetic charging

10. Compatible system: Android5.1 or above, iOS8.0 or above

11. APP: QRing

12. APP support language:Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Türkiye, Hebrew, Greek, German, Italian, Latvian, Czech, Slovak, Slovenian, Japanese, French, Polish, Thai, Estonian, Swedish, Lithuanian, Simplified Chinese, Traditional Chinese, Romanian, English Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean, Malay

Major function

1. Daily activities: Step count, distance, calorie calculation

2. Health management: heart rate measurement, blood oxygen saturation, HRV heart rate variability, stress, sleep tracking, multiple exercise modes

3. Other functions: remote control for taking photos, searching for rings, female physiological reminders

Packing list:

Smart ring x 1

Charging line x 1

User manual x 1

Original retail box x 1

Specification: