JAKCOM R4 Smart Ring better than rfid core doppler smart watch st7 microchip nfc 30mm myoware yoshi wooly world mqtt
![JAKCOM R4 Smart Ring better than rfid core doppler smart watch st7 microchip nfc 30mm myoware yoshi wooly world mqtt](http://ae01.alicdn.com/kf/H7e06d7ce1ab74dc187eeaa117cb85c58A/JAKCOM-R4-Smart-Ring-better-than-rfid-core-doppler-smart-watch-st7-microchip-nfc-30mm-myoware.jpg_350x350.jpg)
sku: 1005001319879141
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$23.92
Shipping from: China
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