Lighted On/Off button. Sound isolation circuit minimizes scratchiness and feedback from personal handling, 30-minute Automatic shut off to conserve battery life. Includes 2 AA batteries, providing up to 80 hours of operation. Lightweight "Earbud" style headphones feature matched output drivers to deliver clear, crisp sound. Handy volume control wheel located on headset lead wires for easy volume adjustment.

IMPORTANT NOTE:

As with all our "sound enhancing" products, this unit is not designed or to be used to surreptitiously intercept oral communication. Use for this purpose seriously violates federal laws.