Suitable for audio application, you can accept 3.5mm input to headphone. 1x 1/8" 3.5mm female to 1/4" 6.5mm male plug stereo adapter. 6.5 mm (1/4") male to mini 3.5 mm (1/8") female adapter plug. converting the 6.5 mm audio jack to 3.5 mm audio jack player.