Wired monitor headphones HAVIT HV-H2178d position a stereo headset of high quality sound They have a stylish, original design. The gadget is sold with an adjustable rim and headphones. Easy and convenient to use. The minimum playback frequency is 20 Hz The maximum playback frequency is 20,000 Hz The device uses a popular high-frequency mini jack connector with a 3.5 mm straight configuration. Equipped with a flat cable, which allows it not to get tangled The cable length is 1.2 meters, making it easy to use and convenient to move in them The answer button with the microphone is on the cable