Logitech Unifying Receiver RC24-UFPC2 USB wireless adapter. This is a domestic genuine product and can be used with Windows / Mac. I mistakenly purchased the wrong model on Amazon for 1,200 yen, so I am selling it unused. Please be careful to check compatibility with your devices before considering a purchase. [Product Specifications] ・Model Number: RC24-UFPC2 ・Connection: USB ・Compatible OS: Windows / Mac ・Domestic genuine product [Condition] ・Opened, but unused. ・I mistakenly purchased it on Amazon, so it has never been used. ・The first photo is from the official HP, and the second and subsequent photos are of the actual product. [Shipping] ・Will be shipped anonymously via Yu-Packet Post Mini. [Please Note] ・Please confirm compatibility with your device before use. ・Please consider purchasing only if you understand that this is a used item.