A new style superior four level dust-proof and waterproof Speakers specially designed for motorcycle. Support for USB/TF Card/AUX playback also support MP3 and WMA music format play. Bluetooth connection phone to play music, electronic tuning FM radio, tri-band 18 stations are stored, enjoy your music on the road and relax.Power supply with overvoltage protection, reverse line protection, short circuit protection. With automatic power-off protection, voltage instability occurs when the input voltage exceeds 16V, the audio is automatically turned off to protect the circuit.Use metal aluminium, whole machine striple design and double horn hollow out design. Non-slip, feel good, exquisite beauty.Multi-angle adjustable stand, suitable for all kinds of handlebar. Stent using hexagonal bolts, quick and easy installation. Honeycomb mesh speaker cover highlights the sporty.At the same time, it also have clock setting and can display screen, what's more its outstanding bass. NOTE:the red wire connects to the positive electrode, the black one connects to the , the green one connects to the negative electrodeOutput Power: 7W x 2DC power supply: 12Vcolour:blackMaterial:ABSsize:25x2.3cmDiameter of the loudspeaker: 2.4 inchesPackage Contents:2x Music Player2x hexagonal wrench2 X manualNote:1. Fit for the handlebar distance is 9.8-11 inches and the handle diameter is 0.78-0.86 inches motorcycle.2. If not covered with waterproof cover, it is not effecient waterproof.3. If the motorcycleaudio stay long time in the rain heavy rain mayOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.