This is a Logitech trackball mouse (MX ERGO). I purchased it for home use, but I will no longer be using it, so I am putting it up for sale. Included accessories are the main unit, USB receiver, and charging cable. - Brand: logi - Type: Trackball mouse - Connectivity: Wireless - Color: Black - Features: Ball-type scroll 【Notes】 This product charges via Micro USB. ※ The latest standard is Type-C. Please feel free to comment if you have any questions.