Equip 245321 Audio Cable Adaptor USB A / 1 x Jack Socket/USB Adaptor/Black

3.5 mm 4-pin stereo socket x 1 / USB type A plug. Connect a 3.5 mm stereo headphone or speaker. Includes volume control. Easy plug and play installation. Built-in DAC chip and high quality copper wire ensure stable and almost lossless transmission of audio signal.