For Tesla Model 3 Model Y Smart Key Ring Accessories NFC Ceramic Ring Replace Car Key Card Key Fob Made With Original Card Chips Your for Tesla Comes with an RFID reader implanted into the center of driver-side B-beam. The term RFID refers to radio-frequency identification. The implanted RFID reader uses electromagnetic fields to automatically identify the electronically stored information in your smart ring. And meanwhile, the smart ring accessory collects energy from the RFID reader's interrogating radio waves. Comparing to for Tesla key fob and any other key fobs, there is no charge and battery needed for your smart ring. Your smart key ring is the perfect replacement for your original for Tesla Model key cards. So you wont need to buy additional key cards, key card covers, and key fobs. Its also a great way to save some space in your pocket, your handbag, or your purse. Specification: Item Type: Smart Key Ring Material: Ceramics R/C Function: Without Color: Black Fitment: For Tesla Model 3 All Years For Tesla Model Y All Years ( Note: Do not fit for Tesla Model X/S ) Feature: World's First Tesla Key Ring | Generation 2 | The Most Convenient and Reliable Backup Key. HANDMADE: Made of Zirconia ceramic and gemstone materials. We managed to make the ring thinnest and the lightest which makes it the most comfortable to wear. WATERPROOF&NO CHARGING REQUIRED: No longer have to worry about staying without a key when the phone battery is dying. CNICK rings are waterproof. No need to remove your ring while washing hands, taking shower, or swimming. TECH: One ring works with multiple cars. The ring is compatible with 2021-2023 all Model 3 and Model Y vehicles. The ring has the same security level as Tesla key card. ACTIVATION&USE: Find the right sensor spot on the B pillar under the driver side camera and touch your knuckle onto the B pillar (knocking position) and do not touch the ring directly to the car. ( Please choose correct ring size after measuring your finger! ) How to Use: 1. Organize and clear the central control sensing area 2. Click the car shape button in the lower left corner of the central control screen 3. Click the middle lock button 4. Click the "+" to the right side of the key 5. Put our smart ring on the central control induction area 6. When the screen pops up "Induction of existing key card to approve pairing", place the original car key/card in the central control induction area for authorization and wait for completion. Package List: 1 * Smart Ring