The speaker is BT connection, dual speaker, stereo sound. TF, FM and MP3 playback format. It is easy to install on motorcycle.

Features:
High-fidelity stereo, dual speaker high power.
TF/USB/AUX-IN & MP3/WMA support music playback format. Also fm radio support with strong signal.
BT connection to play music, enjoy your music on the road and relax anytime you like.
Full metal aluminum body, durable and cool appearance.
With mounting bracket, special design for motorcycle, easy to install.
Waterproof Ip4.
Suitable for motorcycle of 250-280mm handlebar distance and 20-22mm handlebar diameter.

Specifications:
Material: Aluminum
Color: Black, Gold, Silver (optional)
Power Supply: DC12V
Output Power: 7W x 2
Item Length: 205-305mm / 8.07-12.01in
Diameter: 60mm / 2.36in
Package Weight: 650g / 22.93ounces
Package Size: 260 * 80 * 80mm / 10.24 * 3.15 * 3.15in

Packing List:
1 * Speaker
1 * ScrewDriver
1 * User Manual