Colmi R10 martring Size 7

The COLMI R10 Smart Ring (17.9 mm, Size 7) is a compact and stylish wearable for monitoring health and daily activity. This black smart ring provides heart rate tracking, step and calorie counting, sleep monitoring, and gesture control. With Bluetooth 5.0 connectivity, wireless charging, and water resistance, the COLMI R10 offers comfort, reliability, and convenience for everyday use.

Technical Specifications:

• Inner Diameter: 17.9 mm (Size 7)

• 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