Men's Nfc Smart Rings, Finger Digital With Functional For Couple. Features: Before Leaving the Warehouse, We Will Send the Package After Passing the Test. Because Customers Who Don't Know How to Use It Usually Score Low, the Phone Doesn't Have NFC Capabilities and Should Not Be Purchased. Will Not Use, Please Do Not Buy. Disputes Regarding Product Quality Issues Are Not Accepted. Quickly Lock and Unlock Your Smartphone or Tablet and Hide Apps when Using Your Smartphone Alone Share and Transfer Information (send a Private Message/photo/business Card/website Link to the Person You Want to Share in a Simple Way) Control the Application (you Can Pre-write a Fixed List of Processes and Click "Start Application". Waterproof, No Need to Charge Support for NFC-enabled Android and IPhone Xs and Above Models (systems in Ios13 and Above). Size Chart Check Image Quickly Launch the Mobile App, Pre-write the Quick Launcher Launch Command to the Smart Ring, and Automatically Find and Launch the Program when the Smart Ring Touches the Phone. Multi-function NFC Smart Ring, the Main Function is to Store and Exchange Personal Information, As Well As Unlock Mobile Content and Personal Privacy Encryption Ptie SPECIFICATIONS Metals Type: Stainless Steel Gender: Men Material: Resin Style: Trendy Rings Type: Wedding Bands Shape\pattern: Geometric Surface Width: 8mm Compatibility: All Compatible Fine or Fashion: Fashion Occasion: Party Item Type: Rings Size: 6.7.8.9, 10, 11, 12, 13 Chip: NFC Chip Working Frequency Band: 13.56 MHZ Package Included:1 *Smart Ring. We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.