R04 SIZE 11 Smart Ring, Support Heart Rate / Blood Oxygen / Sleep Monitoring / Take Photos(Black)

The R04 SIZE 11 Smart Ring monitors heart rate, blood oxygen levels, and sleep patterns. It also features a remote control for taking photos.

• Product type: Smart Ring
• Compatibility: Android 5.1 or above, iOS 8.0 or above
• Material: Not specified
• Key feature: Heart rate and sleep monitoring
• Color/Variant: Black
• Intended use: Everyday use
• Category: Smart Rings / Smart Telephones
• Chipset: Jeri
• Bluetooth: 5.4
• Sensor chip: STK8321-W4
• Battery Capacity: 15mAh (18mAh for size 9 and above)
• Battery life: 5-7 days of use and 15 days of standby
• Charging time: around 1.5 hours
• Waterproof: 5ATM
• Size 11: Dia 20.8mm; Circumference 65.4mm
• Charging method: Magnetic charging
• Compatible system: Android 5.1 or above, iOS 8.0 or above
• APP: QRing
• 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
• Daily activities: Step count, distance, calorie calculation
• Health management: heart rate measurement, blood oxygen saturation, HRV heart rate variability, stress, sleep tracking, multiple exercise modes
• 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