This cable provides a Y-connection for a microphone and a line level audio source, such as a CD or MP3 player. Use with Line input and output of LT-700 transmitter. Has a 12 in cable. Tips include a 3.5mm male phono connector (aux input) and one 3.5mm female mini stereo connector (mic input) that merge to a 3.5mm stereo mini jack (line input to LT-700). Serves as antennas for LT-700 as well.