Features: High-fidelity stereo, 4 high-power speakers, 2 tweeters + 2 woofers. Support for music playback in TF/USB/AUX-IN and MP3/WMA formats.It also supports FM radio and Bluetooth connection to mobile phones to . BT connection to , enjoy your music on the road, relax yourself anytime. All-metal aluminum alloy body, design of the whole machine, durable, simple and fashionable appearance. Easy to install, directly on the handlebar tube of the motorcycle.IP4 waterproof, no need to worry about rain when using outdoors and driving. Specification: Voltage: 12V Waterproof: IP4 Speaker power: 4x5W Applicable models: motorcycles with 22mm head tube Material: Aluminium alloy colour: gold Package Contents: 1 x Motorcycle Stereo Speaker host 2 x Mounting bracket Only the above package content, other products are not included. Note: Light reflection 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.