JAKCOM R5 v4 - Smart Ring NFC

KUTYU R5 v4 Smart Ring NFC Multifunctional Waterproof Scratch Resistant Build-in 6 RFID Cards and 2 Health Stones for iOS Android JAKCOM R5 is a multifunctional smart ring that can replace 6 proximity cards simultaneously, Interact with mobile phones to realize special functions of "Social Sharing", "Wireless USB Flash Disk", "Smart Home Trigger" and so on. Built-in 2 health energy stones to improve human EMFs, and has scratch-resistant, waterproof, dustproof hardware characteristics.