JAKCOM R4 Smart Ring Newer than rs485 nb iot watch gt 2 rfid water level relay wireless microphone circuit board ring 125 khz
![JAKCOM R4 Smart Ring Newer than rs485 nb iot watch gt 2 rfid water level relay wireless microphone circuit board ring 125 khz](http://ae01.alicdn.com/kf/H3b85ea74f3574d009c894e6f7f6f89d7U/JAKCOM-R4-Smart-Ring-Newer-than-rs485-nb-iot-watch-gt-2-rfid-water-level-relay.jpg_350x350.jpg)
sku: 1005001323533199
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$29.90
Shipping from: China
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