The portable J904LC infrared receiver is designed to receive 4 audio channels. The optical lens offers 270° wide angle to pick up the infrared light signal. The selected channel number, volume level, battery level and signal strength are displayed on LCD screen. Volume level can be adjusted through left/right buttons for comfortable listening. The receiver will be automatically switched off in 5 minutes after the headphone is plugged out. Any number of receivers can be used within the radiator’s effective coverage range in an installation. The receiver is powered by a rechargeable Lithium-ion battery pack with up to 500 operating cycles.
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