Colmi R12 Smart Ring Size 13 (R12-BK-13)

Manufacturer: Colmi
Model: R12
Size: 13
Inner diameter: 22.4 mm
Color: Black
Display: Data on battery charge level, time, steps, heart rate
Material: Stainless steel + epoxy resin
Weight: 4.7 g
Compatible operating systems: Android 4.4 and above; iOS 8.0 and above; HarmonyOS
App: QRing
Waterproof: 1ATM
Updates: OTA (over-the-air)
Application languages: Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Turkish, 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, Malaysian

Hardware
Chipset: REALTEK RTL8762E
Flash memory: ROM 512KB
HR sensor: Vcare VC30F
G-sensor: ST LI2DOC
Bluetooth: 5.0
Battery type: Lithium-polymer
Battery capacity: 18 mAh
Charging_ Charging base + USB-C cable
Number of charging cycles: Over 300
Charging time: Approx. 1 hour
Operating time: 3-5 days

Features
App functions: Activity, calories, steps, distance in kilometers, sleep, heart rate, sports mode, workout record, HRV (heart rate variability), blood oxygen levels, stress levels, daily tasbih (prayer counting), gesture control (music, short videos, e-book), game functions (Jump, Fruit Rotation, Pixel Bird, Robot, Bounce, Battle Royale, Circle to Fight Monsters), find a ring, health monitoring (24-hour heart rate measurement, SpO₂ detection, daytime stress, scheduled HRV monitoring), take photos, theme style, unit format, low battery message, software update, system settings, display settings (on/off, wear time, screen time, brightness adjustment), background activity protection guide, frequently asked questions (FAQ)