High-precision chromatic tuner TU-3. Operation confirmed. It was unused and has been kept in storage. Please refrain from purchasing if you are concerned about minor imperfections, as this is a used item. Only those who understand that there may be scratches and dirt are welcome to purchase. This listing is for the main unit only. I will ship the item within the set timeframe, so please refrain from inquiries after the transaction (I will block you). Manufacturer: BOSS