Features: New real driving ball, excellent feel and quality Plug and play, easy to install, driver-free operation, only supports PC systems with 7 and higher. High and low gear handball head, suitable for players who modify G25 / G27 / G29H/ TH8A shifters ETS2 & ATS, Includes two switches, an extra user-defined button, can use the switch to quickly switch between high and low gear, up to 18 gears. The connector is made of aluminum alloy, compatible with all mainstream electronic shifters on the market, compatible with 12mm, 10mm, 8mm connections, such as compatible equipment (, , SQ, Kraton, Laishi), etc.) Specification: Type: PC USB Gear Shift Knob USB cable length: 2 meters PC system: Support 7 and higher systems Material: ABS + Aluminum Alloy Color: Black Package contents: 1 x SIM USB Gear Shift Knob Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real one. The allowable measurement error is +/- 1-3 cm.