◼︎ Free shipping, fully functional and tested. ◼︎ This is for trombone. ◼︎ Since it was used only a few times, it is, in my subjective opinion, a beautiful item. ◼︎ The sponge part is in good condition. ◼︎ Compact and lightweight while maintaining sufficient muting performance!! ◼︎ Equipped with new technology that reproduces the sound of a real instrument!! ◼︎ Achieves a comfortable resonance like playing in a concert hall!! ◼︎ Equipped with Brass Resonance Modeling™!! ◼︎ Silent Brass dedicated personal studio!! (Brand) YAMAHA (Product) ① SILENT Brass "STX-2" ② FICKUP MUTE "PM5X" ③ YAMAHA Earphones (Function) Silent Brass System (What you get) ① SILENT Brass ※ Shipping will be delayed if batteries are included, so we will ship it "without batteries". ② FICKUP MUTE (for Trb) ③ Genuine YAMAHA earphones ④ Genuine cord to connect the personal studio and mute ⑤ Instruction manual Total of 5 items. Although the condition is believed to be good, it is a used item, so please understand this before purchasing. Please check the photos and consider your purchase.