IR based Wireless Audio Transmitter and Receiver Circuit
Camera supraveghere IP Wi-Fi 1 MP, IR 7.5 metri, microfon, audio bidirectional + Card MicroSD 64GB - eMAG.ro
Amazon.com: SIMOLIO 2 Channels IR Audio Transmitter, Wireless Infrared Sensor for Car DVD&TV&PC, IR Transmitter for Universal Car Wireless Headphone, AUX Jack, Car Cigar Lighter & AC Adapter Included SM-261A : Electronics