sentences:  Some manufacturers can also place custom artwork directly on to the custom in-ear monitors.The IEM cable plugs into a 3.5 mm stereo jack on the receiver pack; typically clipped onto the belt, guitar strap, clothing of the performer, or placed in a pocket.Non-custom (universal) IEMs are also available and typically include a variety of foam and silicone tips in each pack, so that at least one pair may create a comfortable seal for most people's ears.