Approximately 5 years have passed since purchase. Used for about 4 years. Sound output confirmed. *This is a very delicate instrument that requires careful adjustment. *Please be sure to read the manual and guidebook. *Please consider this item with the understanding that it is a used product. *No claims and no returns accepted. [Set Contents] 　Main unit 　Third-party AC adapter 　Roland USB MIDI INTERFACE UM-ONE 　BIRD STRAP 　1 new mouthpiece 　Mouthpiece cover 　Mouthpiece mount parts (1 new mouthpiece, with screws) 　EWI Start Guide for Beginners (in Japanese) 　User Guide rev.2.4.1 　Soft case 　KIKUTANI stand 　Xvive transmitter and receiver (5 years old, operation not guaranteed) 　ZOOM MultiStomp MS-50G (with AC adapter) 　Box included