Features: Game controller USB adapter for SegaGenesis/Mega-Drive. This small form-factor USB adapter makes it possible to use two controllers for SegaGenesis / MD- on your PC use one USB port (Windows-, MacOSX, Linux-), Raspberry-PI or MiSTer-. The adapter has a native 1ms/1000Hz polling rate so input lags is minimal (average less than 1ms with a 3-button wired-controller). It works with original and third-party gamepads forGenesis/Mega-Drive 3- and 6-button , including the 8bitdo-M30 2.4GHz wireless controller. Computer pc map original for key by defaults, and for Raspberry-Pi and Mister-FPGA, need to be manually set from game. Specifications: Main Material: PVC+Printed Circuit Board Packaging Size: Approx. 12x11x3.5cm/4.72x4.33x1.38 inch Applicable Model: for SegaGenesis/Mega-Drive Controller Note: Please allow 0-1cm error due to manual measurement, make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Piece USB Adapter