We're offering you a R4 NFC Smart Ring for Mobile Devices for €18.99, saving you up to 66% off Phoenix Biz Solutions Limited's's price of €56.13 (correct as of 14.05.2025).

RFID Finger Ring

JAKCOM R4 is a multifunctional RFID finger ring that can replace Access card, Parking card, Membership card, Shopping card and other RFID cards. The built-in IC and ID modules make it versatile and convenient for various purposes. With the NFC module, users can enjoy Virtual call, Scene notification, Business card sharing, Memo sharing and other cloud services. The ring is entirely made of micro-crystal Zr ceramics, ensuring durability and scratch resistance.

Micro-Crystal Zr Ceramics

Jakcom R4 is crafted from micro-crystal Zr ceramics, which can calmly deal with all kinds of scratches. The ring carries multiple sets of RFID chip modules, capable of simulating 4 contactless RFID cards. It is designed to operate different functions and share information on both Android and IOS platforms through two sets of NFC modules. This includes features like Virtual call (triggering a real-time call), Scene notification (preset notifications), Memo sharing, and Business card sharing.

NFC Module Technology

Jakcom R4's NFC module technology allows for RF distance of 1 ~ 3cm. The IC module type is UID, the ID module type is T5577, and the NFC module type is Ntag213. The ring material is ceramics with standard US sizes available in #8 (57.1mm), #9 (60mm), #10 (62.8mm), #11 (66mm), #12 (70mm). Each package contains 1 Smart Ring and 1 Manual, making it a convenient and innovative solution for everyday use.