This unit looks to be in almost perfect shape. The only way you can tell it’s not new are the usage marks on the underneath. See pics.

This unit does not come with the USB dongle or the charging wire. It connects perfectly via Bluetooth.

Looks to be in almost perfect shape. Not sure if the USB connector works for this unit. Couldn’t test it. The Bluetooth connection was tested and works perfectly.

Introducing the Logitech MX Master 3S Wireless Mouse in Pale Gray. This high-performance mouse boasts a maximum DPI of 8000 and an optical tracking method. With 7 programmable buttons, this mouse is perfect for all your computing needs. Connect wirelessly for easy use and enjoy the convenience of a standard mouse. The Logitech MX Master 3S is a reliable choice for anyone in need of a wireless mouse.