The BOSS TU-80 is a high-precision tuner and metronome with Accu-Pitch functionality. - Brand: BOSS - Model Name: TU-80 - Functions: Tuner & Metronome - Features: Accu-Pitch function - Input/Output Terminals: INPUT, OUTPUT - Operation Buttons: POWER, TUNER, METRONOME, SOUND SELECT, VALUE A Thank you for viewing. There is some wear and tear, but there are no operational issues.