Click to expand Tap to zoom SKU PLA-PHP22 Sorry, this product has been discontinued. Description Specs/FeaturesWhat's in the BoxFAQ Description Product Descriptions: Headphones fold for easy storage For use with Car Audio Monitors and DVD Players with Infrared Transmitters Features IR Sensors, Volume Control Knob, Power On/Off Switch, Power LED & Battery Cover Wireless Headphones uses (2) AAA batteries (not included), which are located in one of the earphone housing Specifications: Transmission system: Infrared light Carrier frequencies: 2.3Mhz (left channel), 2.8Mhz (right channel) Distortion: greater than 60dB S/N ratio: greater than 40dB Channel separation: less than 1% Frequency response: 30Hz-20Khz Power source: (2) x AAA batteries (not included) Current consumption: 25mA max (during play) / 15mA (muted) Specs/FeaturesWhat's in the BoxFAQ