Used only to confirm functionality after purchase, but please understand that this item has been handled by a person before purchasing. Immediate purchase is OK. The following is quoted from the Amazon product description: Compact design: Body size 120x90x19 mm, touchpad size 105x55 mm. Includes left and right click buttons for accurate input. Multi-gesture touchpad, multi-touch support: Click, vertical scroll, zoom in/out. Wired USB touchpad, with a 1.8 m cable for convenient plug & play connection: Simply connect to your computer and it's ready to use. [Important Notes] This product is recognized as a mouse on Windows. To change the touch sensitivity, adjust the cursor speed in Device > Mouse. Manufacturer / Perixx Computer GmbH・Designed in Germany