ACOUSTIC RESEARCH WIRELESS STEREO HEADPHONES AWD209. 2.4 GHz wireless 2.1 stereo headphonesTransmits audio signal through walls- floors and ceilings at distances of up to 100"" from transmitterPatented dual speakers in eachcup On-the-ear ear cup with multi-chamber earpiece designIdeal for uncompressed and CD quality audioFrequency response: 20Hz-20kHz Small and compact for easy mobilityLightweight- padded- self-adjusting and comfortable headband Li-Polymer battery for extended life up to 12 hours Transmitter can be powered by 3 AAA batteries or a power adapterIncludes 3 AAA batteries
ACOUSTIC RESEARCH WIRELESS STEREO HEADPHONES AWD209.