JAKCOM R4 Smart Ring Newer than receiver gsm smartwatch mini to usb clone rtu rs232 rs422 android rfid finger ring wifi antenna
![JAKCOM R4 Smart Ring Newer than receiver gsm smartwatch mini to usb clone rtu rs232 rs422 android rfid finger ring wifi antenna](http://ae01.alicdn.com/kf/Hafeddd6f9d9446d9a59799967c6e56a4t/JAKCOM-R4-Smart-Ring-Newer-than-receiver-gsm-smartwatch-mini-to-usb-clone-rtu-rs232-rs422.jpg_350x350.jpg)
sku: 1005001318540567
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$29.90
Shipping from: China
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