Behringer V Tone ADI21 acoustic pre-amp, modeller and DII bought to use with an acoustic stomp box (also listed for sale separately) but have never used it.I've put a new battery in a retested it and it's perfectSmoke free homeCheck out my other listings, let me know if you want to do a bundle deal!Postage at buyers cost.I reserve the right to remove these as I am going to list them on other platforms