Colors: Transparent on one side, black on the other. The best of both worlds. Spin it one way to show off the technological power your finger now holds or spin it the other way for a more subtle look. This quality refined titanium band provides the perfect feel of metal on your skin, ideal for people switching from a m
HECERE RFID Rewritable Dual Frequency in One 125KHz T5577&13.56MHz CUID Black Ceramics Smart Finger Ring Wear for Men or Women (black-20mm) : Electronics
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HECERE RFID Rewritable Dual Frequency in One 125KHz T5577&13.56MHz CUID Black Ceramics Smart Finger Ring Wear for Men or Women (black-20mm) : Electronics