LHS-701MV is Luxpro's world innovation to integrate the speaker and the amplifier within the headphone; you can appreciate its acoustic effect without wearing the headphone.  40mm dynamic speaker driver unit plus 50mm Neodymium Ferrous Magnetic, dynamic driver unit and CCAW Coils offer rapid response and stable and balanced output response, deliver perfect rhythm and subtle sound effects.  The On-and-Off switch makes the operation much easier. Detachable microphone represents a sense of novelty and fashion breath.   Unique Foldable headband design minimizes its dimension, convenient for storing and carrying. 120-degree rotational ear cups are comfortable fit to the ears. The ergonomically designed ear pads cushioned with soft authentic leather increase the comfort for long-time wearing. Powered by Aluminum battery, suitable for various environments.  Travelers' preference.