Pocketalker Ultra System amplifies sounds closest to the listener while reducing background noise. Ideal for one-on-one conversation, small-group, and television listening, or conversing in the car. Use with or without hearing aids. Plug in your earpiece, position the microphone near the preferred sound, adjust the volume to your comfort – and start listening. Compatible with all Williams Sound earphones/headphones (sold separately). System Includes 1-PKT D1 personal amplifier 1-MIC 014-R plug-in (no cord) microphone 1-BAT 010-2 two AAA alkaline batteries 1-WCA 007 WC 3.5mm male to 2.5mm female cable with mounting clips (12ft) 1-RCS 003 lanyard *All items can be purchased separately