Metrophones MPDGP Headphones LCD BT Metr.
Metrophones MPDGB Headphones, headphones with built-in metronome, 42-250 bpm with LCD-Display, Bluetooth 4.0 enabled, two seperate ways - Metrenome/Line-In, 15-25.000 Hz, built-in volume control, exchangeable 3m cable, 29db sensitivity, gel-filled ear pads, including 9V alkaline battery