ELECOM Trackball Mouse DEFT M-DT2DR Black I used it for a month, but it didn't suit me, so I've been storing it at home. I think there are almost no major scratches or signs of use. Instant purchase without comment is OK. It will be shipped via Mercari delivery (anonymous shipping). The photos are of the actual product. First come, first served. ■ This is a wireless trackball "DEFT" with an index finger operation type that boasts overwhelming operational performance. ■ It is equipped with 8 buttons: left and right buttons, "forward/back" buttons, a tilt wheel, and 3 function assignment buttons. ■ The sensor that detects the movement of the trackball is equipped with a high-performance optical sensor of gaming grade, and the optimization of the new high-performance lens and peripheral optical design realizes outstanding pointer tracking performance. Elecom - Model: DEFT - Color: Black - Type: Trackball