3 Key USB Keyboard Braille Design Custom Keyboard Mouse Multimedia Function USB Macro Programming

Feature: 1. Customizable Function: The 3 key USB keyboard allows you to customize mouse, keyboard, multimedia, etc. functions, replacing a variety of key combinations and shortcut keys. 2. Multi Platform Compatibility: This USB keyboard is support for Wins, for OS X, for Android, for Linux systems, ensuring seamless integration into your setup. 3. Enhanced Convenience: This keyboard features concave convex tactile, braille design, and sound vibration feedback, catering to varying requirements. 4. Safety Design: The USB plug has built in circuit board, with strong anti interference performance, water proof and damp proof design, ensuring durability. 5. Versatile Mounting: The USB macro programming key is equipped with magnetic, can be adsorbed onto any iron material or fixed in any position using double sided tape. Specification: Item Type: 3 Key USB Keyboard Material: ABS Model: HK33 Connection Method: USB Service Life: Over 1000000 Times Compatible Systems: For Wins, for OS X, for Android, for Linux. Package List: 1 x 3 Key USB Keyboard 1 x Stand 1 x Tape 1 x User Manual 1 x Iron Sheet