EASY4BUY® Motorcycle Led Audio Radio Bike Sound System Sd USB Mp3 12V Anti-Theft Alarm System Fm Handlebar Stereo Speaker Multifunction High fidelity stereo design, support full-band FM channels(AM band not available) Colourful light flashings on the tail of bullet speakers spice your travel up Lock/unlock/ anti-theft alarm by wireless remote control Play your own music from USB/TF card or any device with 3. 5mm AUX You will not miss retransmission of sport event, special flash information from FM radio when you are on the road Apply to any motor bikes or electric bicycle Power Amplifier.