Features: 1.Made of high?quality metal and plastic, and has a stylish appearance. It supports Bluetooth connection, so that users can freely listen to music in various ways without annoying wires. 2.Support electronic tuning digital radio, FM three band 18 preset radio stations. Automatically scan and save the station, and manually adjust the station up/down. Support USB/memory card carrier. 3.Equipped with remote control, supports remote operation. Support MP3/WMA/WAV lossless format playback. It has functions of switching on and off, pausing playback, mode switching, and electronic volume adjustment. 4.Built?in angel eyes and devil lights, three?color light effect, can be changed. Four?level waterproof function, no fear of bad weather. Three?inch speaker with an output power of 2 x 20W. 5.Bluetooth technology is a real-time technology, it does not require a fixed infrastructure, and it is easy to install and set up. It can be connected without a cable. It is very convenient to use. It can be put into use only by simply completing the pairing, and the operation is simple. Specification: Item Type: Motorcycle Bluetooth Speaker Material: Plastic+Metal Battery Type: Button battery (battery included) Quantity: 1 Battery Capacity: 120mAh Battery Model: CR2025 Product Function Introduction: 1. Electronically tuned digital radio, FM three-band 18 preset radio stations 2. Automatically scan and save the station, manually adjust the station up/down 3. Support USB/memory card carrier 4. Remote control operation 5. Support MP3/WMA/WAV lossless format playback 6. Switch machine, pause playback, mode conversion function, electronic volume adjustment 7. Built-in angel eyes and devil lights, three-color light effect, can be changed 8. Four-level waterproof function 9. Three-inch Speaker, Output Power: 2 x 20W Wiring Instructions: Blue-----Radio antenna Yellow----Remote control antenna Black------9-wire line plug (connected to the auxiliary machine) White------fog lamp control line Black-------battery negative pole Red-------electric fire switch control line (3A fuse) Note: The white wire is connected to the fog lamp control wire and cannot be directly connected to the positive electrode of the battery, otherwise the battery power will be lost; the red wire is connected to the electric fire switch control wire, and cannot be directly connected to the positive electrode of the battery, otherwise the battery power will be lost.