{"product_id":"t5577-chip-rewritable-rfid-smart-ceramic-ring-for-clone-tk4100-em4100-access-control-and-hotel-entry-door-keycards-readers","title":"RFID Smart Ceramic Ring – 5ATM Waterproof NFC Access Control","description":"\u003ch2\u003eEliminate Physical Keys and Fumbling Access\u003c\/h2\u003e\u003cp\u003eStop wasting precious time searching for keycards or fumbling with heavy keychains at your front door or office entrance. Your daily routine requires streamlined efficiency, and carrying legacy security tokens is a constant friction point that slows you down.\u003c\/p\u003e\u003ch2\u003eThe Tidesmit Smart Ceramic Ring Hero\u003c\/h2\u003e\u003cp\u003eOur RFID Smart Ceramic Ring serves as your permanent, hands-free digital credential, engineered for seamless interaction with modern security systems. By utilizing advanced passive NFC technology, this ring facilitates instant, contactless authentication at a range of 10-30mm from the sensor. Built from high-durability, hypoallergenic zirconium ceramic, this wearable merges sophisticated aesthetic appeal with the uncompromising performance required by professional environments.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNFC Frequency Support - 13.56MHz - Provides high-speed, secure data transmission for instant access control.\u003c\/li\u003e\n\u003cli\u003eHypoallergenic Ceramic - Zirconia build - Ensures maximum comfort for 24\/7 wear without skin irritation.\u003c\/li\u003e\n\u003cli\u003e5ATM Waterproofing - Rated to 50 meters - Allows for full submersion during swimming or showering without performance loss.\u003c\/li\u003e\n\u003cli\u003ePassive Power Logic - Battery-free operation - Removes the need for charging cables, relying on field-induction energy.\u003c\/li\u003e\n\u003cli\u003eErgonomic Profile - 2mm thickness - Maintains a slim, unobtrusive aesthetic that mimics traditional jewelry.\u003c\/li\u003e\n\u003cli\u003eUniversal Integration - Programmable ID - Allows for secure cloning of existing 13.56MHz access badges to the ring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConnectivity: Passive NFC (ISO\/IEC 14443A)\u003c\/li\u003e\n\u003cli\u003eOperational Range: 10mm to 30mm\u003c\/li\u003e\n\u003cli\u003eBattery: Passive (Self-powered via RF induction)\u003c\/li\u003e\n\u003cli\u003eDevice Dimensions: 6-12 US Sizing, 2.0mm thickness\u003c\/li\u003e\n\u003cli\u003eWeight: 4.5 grams\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -20C to 60C\u003c\/li\u003e\n\u003cli\u003eDevice Compatibility: Android, iOS (NFC-enabled)\u003c\/li\u003e\n\u003cli\u003eCertifications: CE, FCC, RoHS, IP68 Waterproof\u003c\/li\u003e\n\u003cli\u003eMaterial: Zirconia Technical Ceramic\u003c\/li\u003e\n\u003cli\u003eBox Contents: Smart Ring, User Manual, Calibration Guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho Is This For\u003c\/h2\u003e\u003cp\u003eThis ring is designed for tech-forward professionals, minimalist EDC enthusiasts, and athletes who require reliable security solutions without carrying extra equipment. Whether you are a frequent gym-goer needing locker access or a digital nomad seeking a contactless office entry solution, this wearable fits your workflow. It is the premier choice for anyone searching for a high-durability biometric-alternative access control device.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Question\u003c\/h2\u003e\u003cp\u003e\u003cb\u003eDoes this ring work with all existing door locks?\u003c\/b\u003e\u003cbr\u003eThe Tidesmit ring utilizes standard 13.56MHz NFC protocol, making it compatible with the vast majority of modern commercial and residential RFID access control systems. Please ensure your current reader supports the ISO\/IEC 14443A standard to guarantee full functional compatibility upon arrival.\u003c\/p\u003e\u003cp\u003eSecure your personal digital gateway with Tidesmit precision engineering and experience the freedom of truly hands-free entry.\u003c\/p\u003e","brand":"Tidesmit","offers":[{"title":"SIZE US 9","offer_id":57247516524889,"sku":"TDS-ACTMN-00059-001","price":35.59,"currency_code":"EUR","in_stock":true},{"title":"SIZE US 8","offer_id":57247516557657,"sku":"TDS-ACTMN-00059-002","price":35.59,"currency_code":"EUR","in_stock":true},{"title":"SIZE US 7","offer_id":57247516590425,"sku":"TDS-ACTMN-00059-003","price":35.57,"currency_code":"EUR","in_stock":true},{"title":"SIZE US 6","offer_id":57247516623193,"sku":"TDS-ACTMN-00059-004","price":35.56,"currency_code":"EUR","in_stock":true},{"title":"SIZE US 12","offer_id":57247516655961,"sku":"TDS-ACTMN-00059-005","price":35.59,"currency_code":"EUR","in_stock":true},{"title":"SIZE US 11","offer_id":57247516688729,"sku":"TDS-ACTMN-00059-006","price":35.69,"currency_code":"EUR","in_stock":true},{"title":"SIZE US 10","offer_id":57247516721497,"sku":"TDS-ACTMN-00059-007","price":35.59,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/7271\/6121\/files\/S991c4481b2794352b5d851f5773818e13.webp?v=1770528542","url":"https:\/\/sdive0-cu.myshopify.com\/products\/t5577-chip-rewritable-rfid-smart-ceramic-ring-for-clone-tk4100-em4100-access-control-and-hotel-entry-door-keycards-readers","provider":"Tidesmit","version":"1.0","type":"link"}