3.5m/USB jack audio transmitter. CD, TV, Ipod and PC audio source transmitting to 2.4GHz digital wireless outdoor speaker. 3.5m/USB jack audio transmitter. CD, TV, Ipod and PC audio source transmitting to 2.4GHz digital wireless outdoor speaker. Application: Home theatre surround system, education audio transmitting outdoor music and moive etc.1. Transmit frequency 2400-2480 MHz; Real digital ...