Colmi R12 10 size Smart ring (R12-BLACK-10)

The COLMI R12 Smart Ring (20 mm, Size 10) is a stylish and lightweight wearable designed for health monitoring and smart connectivity. With a discreet black design, it tracks steps, calories, heart rate, and activity levels, while supporting Bluetooth synchronization with Android and iOS devices. Built from stainless steel with an epoxy coating, it ensures both durability and comfort. Wireless charging, water resistance, and a long-lasting battery make it practical for daily use.

Technical Specifications:

• Inner Diameter: 20 mm (Size 10)

• 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