YAMAHA's SB7-9 is a silent practice system for trumpets and cornets, featuring improved sound quality and Karaoke functions. - Model: SB7-9 - Accessories: Pickup Mute PM7, Personal Studio ST9 - Brand: YAMAHA - Use: For trumpet and cornet - Features: Silent practice, improved sound quality, Karaoke function The accessories are everything shown in the image. It is in perfect working order and ready to use immediately. Please replace the batteries before use.