Colmi R12 7 Size Smartring

The COLMI R12 Smart Ring (Size 7) is a lightweight and elegant wearable designed to track your health and activity with maximum comfort. With its stylish black finish, the ring discreetly integrates into your daily lifestyle. It supports heart rate monitoring, step counting, calorie tracking, and gesture control. Made from stainless steel and epoxy resin, the COLMI R12 is durable, water-resistant, and easy to charge via wireless charging.

Technical Specifications:

• Inner Diameter: 17.5 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

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

• Weight: ~4.7 g

• Operating Time: ~3-5 days