COLMI R02 Smart Ring, size 9, 18.9 mm (black) + charging case USB grafische adapters up to 18 days with

up to 18 days with regular use

The filament is compatible with most FDM 3D printers

Safe and environmentally friendly

000 charging cycles (up to 80% capacity) USB-C output 5 V / 9 V / 12 V / 15 V = 3 A max

Network Ethernet interface type 5 Gigabit Ethernet Ethernet LAN: Data transfer rate 10

COLMI R02 Smart Ring, size 9, 18.9 mm (black) + charging case USB grafische adapters up to 18 days withCOLMI R02 Smart Ring, size 9 The COLMI R02 Smart Ring in size 9 (18. 9 mm) in black is a lightweight and discreet smart ring that combines health monitoring with sports features. The device measures heart rate and blood oxygen levels (SpO2), analyzes sleep, and tracks daily activity and workouts across 21 sports modes. Thanks to Bluetooth 5. 0, it works with the QRing app, saves data for later synchronization, and IP68 water resistance and the