YAMAHA tuner/metronome, the TDM-700. Multifunctional and user-friendly design. - Brand: YAMAHA - Model Name: TDM-700 - Functions: Tuner, Metronome - Input Terminals: INPUT - Output Terminals: PHONES - Volume Adjustment: VOL - Tempo Adjustment: TEMPO - Beat Adjustment: BEAT Thank you for viewing. Used for 2 years. Operation confirmed. No returns or refunds, please.