lexin motorcycle bluetooth speakers with stereo/bass sound effect, motorcycle radio with turning light, waterproof motorcycle audio systems fit 7/8'' to 1.25'' handlebar, fm radio/bluetooth music lexin plug and play stereo sound for your cruiser or atv! connect the power leads to your battery, connect the speakers to the harness, connect desired accessories, mount the speakers on your handle bars, engine guards, or other frame member, power on, pair with your mobile phone via bluetooth, and immediately be able to enjoy your music as you cruise! the lexin lx-q3 bar-mount speakers provide great sound and look great! on the side of the left speaker there is 3-button control for power on/off, bluetooth pairing, volume control, play & pause, track control and fm radio station search. and the new features for this motorcycle speaker is the stereo/bass sound effect free switch, and the turning light which makes your bike much cooler. the fully integrated wiring loom provides easy installation with very few connections required and plug in a usb stick filled with songs!