Colmi R12 9 size Smartring

The COLMI R12 Smart Ring (19.1 mm, Size 9) is a modern and compact wearable designed for health and activity tracking. Its elegant black finish makes it discreet and stylish, while offering features like step counting, calorie monitoring, heart rate tracking, and gesture-based functions. Built from stainless steel with epoxy resin coating, it combines durability with comfort. The ring supports Bluetooth synchronization, wireless charging, and offers water resistance, making it 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

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

• Weight: ~4.7 g

• Operating Time: ~3-5 days