12V Motorcycle Speaker Waterproof Bluetooth Stereo Sound Play MP3 FM Radio Speaker for Handlebar 22-30mm -- 12V Motorcycle Speaker Waterproof Bluetooth Stereo Sound Play Music MP3 Handlebar FM Radio 22-30mm Feature: 1. Using Bluetooth technology, support Bluetooth playback connection, easy to install and configure.2. Supports U disk playback, supports MP3/WMA/WAV lossless format. FM radio support, automatic station search and storage.3. Made of high quality aluminum alloy, good oil resistance and waterproof, matte silver appearance, stylish and beautiful.4. Four-level waterproof function, power surge protection and reverse connection protection.5. Suitable for motorcycles and electric bicycles with a handlebar diameter of 22-30mm/0.9-1.2in. Specification: Item type: motorcycle speaker Material: aluminum alloy Features: 1. Motorcycle audio handlebar with full metal housing2. Suitable for men motorcycles3. Support Bluetooth playback connection4. Support with mobile phone charging;5. FM radio support; Automatic station search and storage6. Supports U disk playback, supports MP3/WMA/WAV lossless format,7. Four-level waterproof function, power supply overvoltage protection, reverse connection protection;8. With two 3-inch full range waterproof speakers9. Built-in horn flashing light10. Output power: 20W x 2 Suitable for motorcycles and electric vehicles with handlebar diameter 22-30mm/0.9-1.2in Wiring instructions: Red: positive Black: negative electrode Blue: radio antenna, no need to connect Package list: 1 x Motorcycle Audio 1 x User Manual