Feature Listing for Block 0 UID Changeable RFID Keychain

Versatile & Rewritable
Fully reprogrammable UID for flexible access control, payment systems, and secure authentication. Supports 13.56MHz and 125KHz frequencies for broad compatibility.
Premium Durability
High-grade epoxy coating ensures shockproof, waterproof, and anti-corrosion performance. Compact yet rugged for daily wear.
Multi-Scenario Use
Ideal for office access, gym memberships, public transport cards, hotel keys, and inventory tracking. Combines convenience with advanced security.
Sleek & Compact Design
Ultra-lightweight keyfob (standard credit card size) with smooth edges for effortless portability. Matte finish resists scratches.
Bulk Order Advantage
Lowest global wholesale pricing for bulk purchases. Customizable branding options available (min. order applies).
Tech Specs
Dimensions: 50x30x3mm. Operating range: up to 10cm. Rewrite cycles: 100,000+. Compatible with NFC/RFID readers.