Features: Real serve, excellent feel, high quality, plug and play, easy installation, driver-free use, only supports PC Windows systems with Windows 7 and above. High and low gear handball head, suitable for players who modify G25/G27/G29H/TH8A gear ETS2&, including two switches and an additional user-defined button. You can use the switch to quickly switch between high and low gears, up to 18 gears. The connector is made of aluminum alloy and is compatible with all mainstream electronic gears on the market. It is compatible with 12mm, 10mm, and 8mm connections, such as compatible with (,, SQ, Kraton, Rasch) devices, etc.) Specifications: Type: PC USB Shift Knob USB Cable length: 2 meters PC system: supports windows7 and above systems Material: ABS+aluminum alloy Color: black Package contents: 1 x USB SIM shift knob Only the above package contents are included, other products are not included. NOTE: Light reflections and different monitors may cause the color of the item in the picture to differ slightly from the actual item. The measurement allowance is +/-1-3cm.