Titanium Smart Ring For Android And PC Waterproof Wearable Wristband With NFC Technology Comparable To Oband T2 Fit Bit Mi Band From Jakcomdh, $7.94

smaate Silicon Watch Band Compatible with ENOMIR ID208BT 1.7” smartwatch, Breathable Sport Replacement Strap for Women or Men : Cell Phones & Accessories

【Multiple Functions Health Tracker】The smart ring has multiple functions, which can monitor your heart rate, temperature and blood oxygen at any time,

Smart Ring, Waterproof Ceramic Ring, Universal Wearable BT Connection Health Tracker for Mobile Phone, Sports Ring with Heart Rate Monitor, Sleep

Titanium Smart Ring For Android And PC Waterproof Wearable Wristband With NFC Technology Comparable To Oband T2 Fit Bit Mi Band From Jakcomdh, $7.94

Medical Equipment Connected Phone with Bluetooth Ring Smart Tracker Heart Rate Health - China Anillo Inteligente and Anillos PARA Hombre price

Magic Ring V2 (Magic MIFARE 1K + T5577)

Control apps (you can write a fixed list of processes in advance and launch apps each time with just a touch of the ring) Quickly lock and unlock your

Smart Wearable Ring Waterproof NFC Smart Ring Compatible with Android/iOS Apps (Color : Blue, Size : 13#14#)

Control apps (you can write a fixed list of processes in advance and launch apps each time with just a touch of the ring) Quickly lock and unlock your

Smart Wearable Ring Waterproof NFC Smart Ring Compatible with Android/iOS Apps (Color : Blue, Size : 13#14#)

Smart Ring, Waterproof Ceramic Ring, Universal Wearable BT Connection Health Tracker for Mobile Phone, Sports Ring with Heart Rate Monitor, Sleep Monitor, Temperature, Blood Oxygen (Black No. 19) : Everything Else

Control apps (you can write a fixed list of processes in advance and launch apps each time with just a touch of the ring) Quickly lock and unlock your

Smart Wearable Ring Waterproof NFC Smart Ring Compatible with Android/iOS Apps (Color : Blue, Size : 13#14#)