classic pocket watches for collectors Colmi - R02 Smart Ring Waterproof Fitness Tracker with Health Monitoring - Gold

Size R02-8G (18mm) R02-9G (19mm) R02-10G (20mm) R02-11G (21mm)
Qty:

CPU: RF03
Bluetooth: 5.0
Battery: 17mAh
Waterproof level: IP68 (1.5 metres for up to 30 minutes)
APP: "QRing"
Suitable for mobile phones with Android 5.1 or higher, or iOS 8.0 or higher.

Please view the ring size chart image for size guidance