【Excellent Condition】 YAMAHA Silent Brass for Trumpet/Cornet SB7X

I haven't used it much, so I believe it's in excellent condition.
Please refer to the photos.

Immediate purchase without comments is welcome.
No comments are needed after purchase.

Anonymous shipping, shipping included.

As of the listing date, I have shipped within 24 hours of payment over 500 consecutive times.

The packaging will be waterproofed, sturdy, and done with care.
*The instruction manual will be folded, waterproofed separately, and included.

YAMAHA Silent Brass
SILENT Brass
SB7X

This set combines the pickup mute PM7X (for trumpet/cornet) and the personal studio STX-2.

●Included Accessories
Pickup Mute PM7X
Personal Studio STX-2
Earphones
Jack Cable
Original Box
Instruction Manual (printed from the web and used)

*Test Batteries
(Two AA batteries. New batteries are included, but please consider them as test batteries.)

●Operation Check
Power checked.

There is some minor signs of use as it has been used about twice, but there are no noticeable stains or damage, and it is in overall clean condition.

Also, since the photos were taken with a smartphone, there may be some age-related deterioration, small scratches, or stains that are not fully captured in the images.
This is amateur storage, so please refrain from purchasing if you are sensitive.

Those who understand that this is a home-stored item, please consider purchasing.

Thank you for looking!