The PROEL's HF157 is a professional dynamic headphone with closed-back earpieces that is ideal for use as monitor headphones in recording environments. This audio accessories with sophisticated 57mm drivers provide a wide frequency response and accurate sound reproduction. Besides, this headphone come with 2-meter single cable with a 3.5mm mini-jack and 6.3mm adapter. It is compatible with all smartphone and tablet models due to its 32ohm impedance.