Feature:
-With a set of built-in high-frequency IC chips, which can be used to copy most non-contact IC cards, such as access control cards, elevator cards, parking cards, membership cards, consumer cards, etc.
-IP68 waterproof rating design, can be worn in hiking, running and even swimming, but it should be dried to avoid residual water on the ring to soak finger skin for a long time.
Specification:
Color: Black
Ring width: US sizes 7, 8, 9, 11, 12 (See size chart above for correct size.)
Weight: 5.2 Grams
Package Included:
1XRing
Detali Pictures:
Polarizer R3 NFC Mobile Phone Ring Multifunctional Smart RingSee detail