Feature

●Possess 4 times the hardness of aluminum alloy, calmly deal with all kinds of scratches in daily life
●R4 is the fourth generation smart ring,it carries with multiple sets of RFID chip modules.And is capable of simulating four contactless RFID cards.Once again, it becomes a new flagship product.
●The built-in featured cloud services can be respectively started through the two sets of NFC modules It can be used directly without APP installation and is Applicable to Android and iOS dual platforms.
●R4 can quickly trigger a timed call on any mobile phone.
●Creating a proper reason for departure. Avoiding to be embarrassed for exit.
●R4 can quickly trigger multiple preset notifications on any mobile phone,Save worry and make your family relieved at busy moments.Provide additional guarantee with the messages at critical moments.
●SOS Provide additional guarantee with the messages at critical moments.

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Description

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
NEW R4 Smart key finger Ring sleep health NFC bluetooth Waterproof Smart ring for android/ios

Functions
IC / ID / NFC card simulation | iOS Android dual platform Cloud Application
The dust-proof waterproof level is IP68
Personal access card / Public access card
Elevator card / Parking card
Time card / Medical card
Shopping card / Gas filling card
Transportation card / Car key
Membership card / Customized card