Your first smart ring, combining sleek design, advanced health tracking, and seamless connectivity for everyday wear.

Key Features

• Sleek & Comfortable Design → Lightweight titanium alloy ring with a thin profile for all-day comfort
• Powerful Chip → RF03 chipset with Bluetooth 5.0 ensures smooth performance and smart notifications
• Comprehensive Health Management → Monitor heart rate, blood oxygen, sleep, and daily activity effortlessly
• Waterproof → IP68 & 5ATM rating allows worry-free use during hand washing, rain, or swimming
• Long Battery Life → 15mAh battery with magnetic charging cable keeps your ring powered throughout the day
• App Support → QRing app compatible with Android 5.1+ and iOS 8.0+ for full control and tracking

Specifications

Brand	COLMI
Model	R03 Smart Ring
Chipset	RF03 (BlueX Micro)
Bluetooth	5.0 BLE
Sensors	STK8321, Heart Rate VC30F
Battery	15mAh Lithium Polymer, Magnetic Charging
Waterproof	IP68 & 5ATM
Material	Titanium Alloy
App	QRing (Android 5.1+ / iOS 8.0+)
Colours	Black, Gold
Warranty	12-Months

Sizing Chart

Colour	Inner Diameter	Width	Waterproof
Black	17.9mm	2.7mm	5ATM
Gold	17.9mm	2.7mm	5ATM
Black	18.3mm	2.7mm	5ATM
Gold	18.3mm	2.7mm	5ATM
Black	19.1mm	2.7mm	5ATM
Gold	19.1mm	2.7mm	5ATM
Black	20mm	2.7mm	5ATM
Gold	20mm	2.7mm	5ATM
Black	20.8mm	2.7mm	5ATM
Gold	20.8mm	2.7mm	5ATM
Black	21.6mm	2.7mm	5ATM
Gold	21.6mm	2.7mm	5ATM
Black	22.4mm	2.7mm	5ATM
Gold	22.4mm	2.7mm	5ATM

Experience wearable technology in a sleek, lightweight design with the COLMI R03 Smart Ring — smart health tracking, style, and long-lasting performance at your fingertips.