Foldable Headphones with 40mm dynamic drivers boast a smooth sound, designed to give a comfortable and enjoyable audio experience in the frequency range of 10Hz – 20kHz, with the rated impedance 32 Ohm and sensitivity of 104dB. Packaged in a hard carrying case, the HM2 makes for a good travel companion whether you are out on the road or in the comfort of your own home. The HM2 headphones include two sets of cables: a 1.2 meter detachable cable and a 1.2 meter cable with an in-line microphone and remote. The maximum input power for the headphones is 100mW. Lightweight and durable, the HM2 makes for a perfect travel companion with its foldable arms and adjustable cup heights, its flexibility and compatibility makes it suitable for any style and genre of music.