This item has been fully tested.

With minor signs of wear on bottom

• Features
  This mouse is angled at 57 degrees so that your thumb is positioned on the designated rest. Promote a natural handshake position to then reduce muscle strain and wrist pressure as well as improve posture.
• Advanced optical tracking and customisable cursor speed and accuracy settings
• Connect via the USB-C charging cable, unifying receiver or Bluetooth and it’s compatible with Windows and Mac operating systems.
• Height: 78.5 mm
  Width: 79 mm
  Depth: 120 mm
  Weight: 135 g
• Sensor
  Nominal value: 1000 & 1600 dpi
  DPI (Minimal and maximal value): 400-4000 dpi (can be set in increments of 50 dpi)
• Buttons
  4 Customizable buttons (By default: Back/Forward, DPI, Middle click)
• SYSTEM REQUIREMENTS
• USB Receiver
  Required : Available USB port
  Windows® 7,8,10 or later
  mac OS 10.13 or later
  Linux®
• Bluetooth
  Required: Bluetooth low energy technology
  Windows 8,10 or later
  mac OS 10.13 or later
  iPadOS 13.1 or later 5Pointing, clicking, and scrolling will be supported by enabling the “Assistive Touch” accessibility feature.
  Linux