JAKCOM R4 Smart Ring Newer than internet de las cosas wireless rs232 s50 ic rfid 215 nfc card jcop21 36k sdk cartas lcd 12864
![JAKCOM R4 Smart Ring Newer than internet de las cosas wireless rs232 s50 ic rfid 215 nfc card jcop21 36k sdk cartas lcd 12864](http://ae01.alicdn.com/kf/H46480db7f10f4fbfa1f579916213e3b5w/JAKCOM-R4-Smart-Ring-Newer-than-internet-de-las-cosas-wireless-rs232-s50-ic-rfid-215.jpg_350x350.jpg)
sku: 1005001305723761
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$29.90
Shipping from: China
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