Durable Material: This programmable keypad is made from premium ABS material, which ensures long service life. Ergonomic Design: This macro pad also features ergonomic design, mini and lightweight, easy to carry. USB Interface: This 3 key macropad adopts USB interface, and it supports plug and play, providing great convenience. Programmable Design: This macro keypad features programmable design that the key function can be set as your wish. RGB Backlit: This 3 key keypad adopts RGB backlit that creates more gaming ambience for better gaming experience.