1Wide range of applications, suitable for all 12V motorcycle Atv Utv. Support Fm radio function, automatically search and store stations. Support U disk playback, support MP3/Wma format. 2Four-level waterproof function, comes with a 2.5-inch full-frequency waterproof speaker. It has power supply overvoltage protection and reverse connection protection. Support mobile phone charging. Built-in high-bright front wheel lights. Output power is 15W x 2. 3Support Bluetooth music, free connection within 10 meters. Support memory card playback, equipped with memory card slot (memory card not included). External U disk, equipped with external USB, supports Wav / MP3 format. 4Made of high?quality plastic, with a stylish appearance, Bluetooth speakers apply Bluetooth technology to traditional digital and multimedia speakers, allowing users to avoid the annoying wires and freely listen to music in various ways. 5Bluetooth is supported. Bluetooth technology is an instant technology. It does not require a fixed infrastructure, and 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.