THE
KEYBOARD WORKS PROPERLY BUT WHEN IT IS TURNED ON YOU CAN HEAR A VERY
LIGHT BUZZING WHICH I HAVE BEEN ABLE TO SEE TUTORIALS ON YOUTUBE AND
QUESTIONS IN SOME FORUMS AND ALMOST ALL AGREE THAT IT IS A DAMAGED
FILTER THAT IS A VERY LOW COST PART AND I WANT TO LET YOU KNOW THAT
THE BUZZ IS NOT HEARD THROUGH THE AMPLIFIER, AS YOU CAN SEE IN THE
PHOTOS THERE IS SOME PHYSICAL DAMAGE BUT IT DOES NOT AFFECT THE
OPERATION OF THE KEYBOARD . THE INTERNAL BATTERY IS COMPLETELY NEW AND ANOTHER NEW BATTERY IS INCLUDED. SOLD AS-IS, NO RETURN IS ACCEPTED UNDER ANY CIRCUMSTANCES.