Thank you for viewing! Purchased on November 30, 2022! Used about 5 times, with only a slight scratch on the right-click area, so I think it's in good condition! USB receiver is not included! Please refrain from purchasing if you are sensitive to items that have been handled by another person... ! Product Details -------------------------------------------- Cursor operation by rolling the ball on the main unit while keeping the mouse position fixed, Logitech's classic trackball mouse! New tilt angle scroll wheel for holding fingers in a more natural and comfortable position / Fits a wide range of hand sizes Smoother and more precise ball control / 2000 DPI tracking accuracy Connects via Logitech's proprietary Unifying USB or Bluetooth / Up to 10m connection range (Bluetooth) Windows 10, 11 or later, macOS 10.15 or later, iPadOS 14 or later, ChromeOS / (USB receiver) Windows 10, 11 or later, macOS 10.15 or later, ChromeOS