Yamaha YH-E700A Wireless Noise-Cancelling Headphones with 3D Sound BM7 The USB midi port and

The USB midi port and the Aux input for an MP3 player are great added features also

Storage Temperature: -29 to 74 deg

Four tracks and more

1 x Discrete JFET Instrument Input

you can create amazing loop phrases by repeating the cycle of selecting a sound

Yamaha YH-E700A Wireless Noise-Cancelling Headphones with 3D Sound BM7 The USB midi port andYamaha YH E700A Wireless Noise Cancelling Headphones with 3D Sound Yamaha True Sound: unparalleled clarity, detail and dynamics, with lifelike atmosphere and deep, rich bass Advanced ANC: Cut the noise, not the music with this Yamaha exclusive Active Noise Cancelling technology that leaves your music pure and untouched Listening Optimizer: optimizes the sound in real time, adapting to you and your environment Ambient Sound: choose when you need to be