<h1><strong>Usage:</strong></h1><h3>1.Please keep the volumes control ofthe headset and plaver to a minimum before connecting.</h3><h3>2.Connect the input plug of the headset volumes controller to the output of the player. </h3><h3>3.Connect the headphone plug to the output socket of the headset volumes controller. (if you use a headset other than a 3.5mm stereo mini plug,be sure to configure the appropriate adapter.) </h3><h3>4.Adiust the volumes ofthe player and headset volumes controller to the appropriate setting tolisten to the appropriate volumes.</h3><h1><strong>Specifications:</strong></h1><h3>Material: Metal</h3><h3>Color: Black</h3><h3>Size: Approx.91x30x25mm/3.58x1.18x0.98in</h3><h3>XLR to 3.5mm Interfaces</h3><h1><strong>Package included:</strong></h1><h3>1x 3.5mm Headphone Amplifier</h3><h3>1x XLR Connecor</h3><h3>1x Manual</h3><p></p>