Smart NFC Ring

WATERPROOF SMART NFC RING APP ENABLED WEARABLE TECHNOLOGY MAGIC RING FOR IOS, ANDROID, WINDOWS, NFC, SMARTPHONES This premium quality Waterproof Smart Ring App Enabled Wearable Technology Magic Ring For iOS Android Windows NFC Smartphones is a must have! Specification:Model: R3Style: Smart RingTechnology: Near Field Communication Feature:Replace "door key", "Payment Card" or other "IC" / "ID" cards.Improve human health and prevent disease.Unlock phone, Quick start phone's program, Share information, Private notebook, etc.No need to charge and waterproof.Full U.S. sizes optional.Made by Liquid Tungsten and Epoxy Crystal Ceramic, Fashionable design elements.Compatible with all IOS and Android Windows cell phone which have NFC.(iphone,Samsung,HTC,Nokia,Sony...)Size: US standard ring size 7-12 (6 sizes available)Material: Pure titanium black glaze/golden white enamelSignal transmission distance: 1.5cmColor: BlackPackage Contents:1 x Smart NFC Magic Ring--R3