jakcom R5 Smart Ring New Intelligent Wearable RFID Device Build-in 13.56mhz 125khz 6 RFID Cards & 128GB Wireless Disk Sharing & 2 Health Stones & Many NFC Functions for iPhone Android (S) is up for auction in Electronics. The current bid is $2.00, 93% below the $29.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.