... Hot sale 2.0 stage speaker Cheaper 2.0 stage speaker Wireless/usb/bluetooth 2.0 power speaker 2.0 cheat ... > 89 dB Speaker units: 10'' X 2+ 1'' X 2 Optional: Wireless MIC/FM radio/color Description 1. Built- ... music format2. With FM Radio3. With Karaoke function,2 microphone socket input4. Volume, bass, treble, echo, ... /TV and other audio input 2.0 cheap active stage speakers with wireless/bluetooth/usb