RFID / NFC Smart Ring - Size 12 - NTAG213

What did Lord Sauron, when forging the One Ring in the fires of Mount Doom forget to include in his all powerful ring? What did he forget to leave out

50pcs NFC Sticker NTAG 213 NFC Tags Fully Programmable NFC 213 Tags 144 Bytes Memory NFC Tags iPhone Compatible with All NFC-Enabled Smartphones and

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ZYZM R4 Smart Ring Multifunctional Lord of The Rings is Compatible with iOS and Android No Need to Recharge Waterproof and dustproof IC/ID Card (12#) : Electronics

Jakcom R4 Smart Ring Multifunctional Lord of The Rings is Compatible with iOS and Android No Need to Recharge Waterproof and dustproof IC/ID Card

R4 Smart Ring with T5577, UID and NTAG213 (NFC) Chip

JAKCOM R4 is a multifunctional RFID finger ring, The built-in IC and ID modules can take the place of Access card, Parking card, Membership card, Shopping card and other RFID cards; The built-in NFC module can realize Virtual call, Scene notification, Business card sharing, Memo sharing and other featured cloud services. Specifications 1. Jakcom R4 is entirely made of micro-crystal Zr ceramics,calmly deal with all kinds of scratches.

R4 Smart Ring NFC Electronics Mobile iOS Android Smartphone Wearable Finger Ring - Silver - Ceramics - 57.1mm

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NFC Smart Ring - RFID tag manufacturer

13.56MHz RFID/NFC Clear Tag - Classic 1K : ID 361 : $2.50 : Adafruit Industries, Unique & fun DIY electronics and kits

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Alpha Signature – NFC Ring