Description The car LED transmitter features wireless reception, wireless transmission, FM transmission, TF playback, reader, external sound card.The car LED transmitter support AUX + FM dual output, FM transmission, adjustable frequency (87.5-108MHZ), stable signal, no noise and interference. Features - Color: Black. - Size: 7.5 x 2.5 x 1 cm/3 x 1 x 0.39 inch. - Material: Plastic. - Interface type: 3.5mm interface/USB interface. - Transmission distance: 10m. - Input: DC 5V/2.1A (max). - Core functions: The car LED transmitter features wireless reception, wireless transmission, FM transmission, TF playback, reader, external sound card. - FM transmission: The car LED transmitter support AUX + FM dual output, FM transmission, adjustable frequency (87.5-108MHZ), stable signal, no noise and interference. - TF reader function: TF reader function, can be used for data copying and other operations on the computer, wireless effective transmission distance of 10 meters. - Stereo sound quality: The car LED transmitter is built-in high-quality decoder chip, high-definition stereo sound quality (supporting similar product sound quality comparison). - Transmitter receiver mode: 2-in-1 design, by using this wireless adaptor, you can send and receive all audio freely and easily. The transmitter allows your TV, AV receiver, radio radio and mobile device devices your wireless headphones or speakers; Thereceiver allows non-wireless devices like your home stereo or AV receiver to stream music wirelessly from your mobile phone/PC.Package list: 1 x Transmitter Receiver