Brian RF Rewritable 13.56MHz M1K S50 Changeable UID Black Ceramic Ring Size 10 Smart Keycard Clone Finger Ring
Why you'll like it
- Changeable UID — Sector zero block is fully writable allowing you to easily clone Mifare Classic keycards and access systems.
- Premium Ceramic Build — Constructed from natural zirconia material offering a scratch-resistant, hypoallergenic, and waterproof finish.
- High Capacity Storage — Embedded with a 13.56 megahertz IC chip featuring 1 kilobyte of memory divided across 16 editable sectors.
- Everyday Convenience — Functions as a hands-free key replacement for residential gates, elevators, office doors, and parking barriers.
Product details
Description
Upgrade your daily access control convenience with this innovative wearable smart ring designed to clone and replace traditional keycards. Crafted from natural zirconia black ceramic, it combines a sleek, minimalist aesthetic with heavy-duty durability, featuring a scratch-resistant and waterproof surface suitable for everyday wear.
Embedded with a high-frequency CUID chip operating at 13.56 megahertz, it offers a 1 kilobyte storage capacity across 16 sectors, allowing the sector zero block to be fully rewritable for seamless UID modification. Ideal for managing electronic access control systems, parking barriers, elevators, and smart cabinet locks without carrying physical cards or fobs.
Engineered for longevity with a rating exceeding 100,000 rewrite cycles and multi-year data retention, this stylish finger ring delivers hands-free performance for modern tech enthusiasts and professionals.
How to use
- Measure the bottom of the second joint of your finger to verify size compatibility.
- Use a compatible RFID writing device, Proxmark3, PM5, or an NFC-enabled application to read your original access card data and write the cloned UID onto sector zero of the ring.
Ingredients
High-purity natural zirconia ceramic shell, integrated 13.56 megahertz CUID semiconductor chip, copper inductive antenna coil.
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | BRIAN |
|---|---|
| UPC | 648564092972 |
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
FAQs
What device or tool are you using to write/clone the UID (e.g., Proxmark3, PM5, NFC app)?
You can use standard 13.56 megahertz RFID cloning tools such as Proxmark3, PM5 writers, or compatible mobile NFC applications equipped with sector zero write permissions to program the ring.
Is 13.56 MHz mifare?
Yes, 13.56 megahertz is the standard high frequency utilized by Mifare Classic 1K S50 and compatible smart card systems for contactless communication.
How do I determine the correct ring size?
You can measure the circumference at the bottom of the second joint of your finger and choose the corresponding size based on standard American ring sizing guidelines.
Are products sold on Dropy authentic USA imports?
Yes, Dropy sources all beauty, personal care, and specialized lifestyle electronics directly from authentic suppliers in the United States for Indian customers.
Can the ring be worn during physical activities?
Yes, the waterproof and durable zirconia ceramic construction allows you to comfortably wear the ring during outdoor activities, hand washing, and everyday routines.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.