Note: Please measure your finger circumference before purchasing, and then choose the appropriate size.

Memory (ROM+RAM) : 128kb ROM + 96 Kb RAM

Compability : Android 5.0 and above; Apple IOS 10.0 and above

Operating temperature range : 0-50℃

Package includes: ring + charging compartment + charging cable + manual + exquisite packaging

Battery 20mA

Bluetooth version: 5.1

Charging method: magnetic charging, with charging compartment

Waterproof level: IP68

Charging time: 1h Standby time: 7-10 days

Use time: 3-5 days

APP support language: Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese

#8(Inner diameter 18.2mm)
Finger circumference: 56mm-57mm

#9(I.D. 19.0mm)
Finger circumference: 59mm-60mm

#10(I.D. 19.9mm)
Finger circumference: 62mm-63mm

#12(I.D. 21.5mm)
Finger circumference: 67mm-68mm

Thickness 2.8mm