DJ inspired design cups. Sleek diamond pattern headband is easy to clean. No batteries required, just plug and play! Reinforced fork slides with handholds or easy and controllable fit. AUX input can connect to MP3 players and other portable audio devices. Includes 3.5 mm cable for connection. Volume Management Technology manages MP3 volume to 82dB (so long as output from portable audio device doesn’t exceed 126mV) Air Flow Control Technology provides higher attenuation across all noise frequencies, especially in low frequencies. Soft, comfortable contact surface breathes easier in warm/humid climates. Robust construction withstands rough treatment in the toughest environments. Telescoping height adjustment for individual setting and personalised comfort, and remains fixed during use.