RENBING NFC Smart Ring - Waterproof & Dustproof Contactless Payment Ring for Key Cards & Keychains - Compatible with iPhone iOS & Android Phones - Perfect Gift for Men, Dad, Boyfriend (White, Size 7) - Use for Office Access, Gym Membership, Public Transport & Cashless Payments

Product Description

☻Titanium Steel Material Makes Rings and Crafts Not Easy to Be Oxidized, Deformed, Discolored, and the Surface is Highly Polished, Safe for Sensitive Skin, Ensuring Comfortable Wearing and High-quality Products.☻ Fashionable Style, Can Be Used As Gifts for Family, Friends, Partners, Colleagues, Etc. on Christmas, Thanksgiving, Halloween, Valentine's Day, Etc., Very Memorable.☻Bring the Smart Ring to the Nfc Area of the Smartphone to Perform the Following Functions: Unlock the Screen, Unlock the App Lock, Quickly Launch Apps, Send and Read Business Cards and Url Information, Etc.☻Launch the Nfc App, then Follow the Instructions, Since Nfc is a Near Field Communication Technology, Please Put the Black Area on the Surface of the Ring in Front of the Camera on the Back of the Phone for Reading, This Sensor Distance is Only 1-2mm, Avoid Read and Write Errors.☻We Are Committed to Providing Every Customer with Satisfactory Service, We Provide the Most Popular Jewelry, if You Have Any Questions, Please Feel Free to Contact Us.