Complete portable package to deliver audio description to 15 listeners. The audio describer uses a head-worn microphone so they may work hands-free with a consistent sound from their microphone. If you're using a sound track or pre-recorded description, you may connect a line-level or headphone output using one of the optional input adapter cables (listed below). The receivers are simple to operate, having only a power button and volume up/down buttons. There is no display or channel setting required on the device, making operation easier for a visually impaired listener. The receiver may be hand-held, attached using the belt-clip or worn using the included lanyard. Connecting the included earphone automatically powers-on the receiver. The output is standard 3.5mm headphone jack allows the connection of a wide variety of optional headphones. All devices are rechargeable within the compact charger-case. OPTIONAL ACCESSORIES INCLUDE: • LA-402 Headphones • LA-436 line input cable - allows connection of AD from an external audio source • LA-437 line input cable - as above but allows simultaneous connection of the describer's microphone • LA-438 neck loop for adult to use hearing aid with T-position • LA-439 neck loop for child to use hearing aid with T-position Demo kit available.