Logitech Signature M750MGR Wireless Mouse Silent Regular Graphite Wireless Mouse Wireless Bluetooth Logi Bolt Unifying not supported Purchased on Amazon in June 2024. Usage frequency was not high, and I think it's in a clean condition. As shown in the third photo, there is a stain? on the upper left of the Logi logo mark. There is no box or instruction manual, and everything is as shown in the photos. Please understand that we do not accept price negotiations, complaints after purchase, or returns, and we ask that you purchase with your understanding.