Special Features:

Eallows for switching volume on both left and right sides of a headphone; mostly for those that have hearing loss in one ear; not recommended for the hard-core audiophiles; 2nd end is a plug-in jack

Properties:

A definite length of electrical cable and/or electrical wire having one or more ends processed and/or terminated in fittings which provide for connection to other items. It must include one or more switch (as modified). The switch(es) may be incorporated in the cable or as termination(s)