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Waterproof Smart Ring
$29.15
Reliable shipping
Flexible returns
Carrier frequency: 13.56MHZ, 1 25KHZ
RF distance: 1 ~ 3cm
IC module type: UID
ID module type: T5577
NFC module type: Ntag213
Host material: ceramic
Protection level: IP68
Operating temperature range: -50 degrees to +80 degrees
