Mini Teclado Macro Mecánico para Juegos con Perilla Teclado para Juegos Intercambio Caliente
No driver needed, simply plug and play. Type:2 Key 1 Knob/3 Key 1 Knob/4 Key 1 Knob/5 Key 1 Knob. The knob function can not only rotate and adjust system, but also be used in system that support USB protocol.