YAMAHA Silent Brass System for Trombone Silent BRASS SB5 [Set Contents] ・Personal Studio ST7 ・Pickup Mute PM5 ・AC Adapter ・Dedicated Connection Cable ・Stereo Earphones Used only 4-5 times, and all accessories are included. Only the instruction manual is missing. Everything in the photos is included. The outer box has some scratches, but the contents are in very clean condition. The item has been wiped down with disinfectant wipes before listing, but it is not perfect, so please refrain from purchasing if you are concerned about minor details. We hope that those who understand that this is a used item will consider purchasing it.