Colmi R10 Smartring Size 9 (R10-BK-9)

The COLMI R10 Smart Ring (19.1 mm, Size 9) is a sleek and functional wearable designed for health and activity tracking. Its elegant black finish fits discreetly on your finger while providing heart rate monitoring, step and calorie counting, sleep tracking, and gesture control. With Bluetooth 5.0, wireless charging, and water resistance, the COLMI R10 is reliable for everyday use.

Technical Specifications:

• Inner Diameter: 19.1 mm (Size 9)

• Material: Stainless steel + Epoxy resin

• Chipset: Realtek RTL8762E

• Connectivity: Bluetooth Low Energy 5.0 / 5.2

• Sensors: Heart rate sensor, accelerometer

• Battery: Lithium-polymer, ~18 mAh

• Charging_ Wireless charging base + USB-C cable

• Compatibility: Android 5.1+ / iOS 8.0+

• Water Resistance: IP68 / 1ATM

• Data Display: Time, steps, heart rate, battery level

• Weight: ~4.7 g

• Operating Time: ~3–5 days