ring size 5 (15.7mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 5 (15.7mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 5 (15.7mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 6 (16.5mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 6 (16.5mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 6 (16.5mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 7 (17.3mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 7 (17.3mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 7 (17.3mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 8 (18.1mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 8 (18.1mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 9 (19mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 9 (19mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 9 (19mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 10 (19.8mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 10 (19.8mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 10 (19.8mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 11 (20.6mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 11 (20.6mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 11 (20.6mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 12 (21.4mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 12 (21.4mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 12 (21.4mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 13 (22.2mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 13 (22.2mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h
ring size 13 (22.2mm), Bluetooth 5.4, pulse measurement, waterproof (IPX8), operating time: 168h