Handlebar Mount Rotary Dial In-Line Volume Control for Motorcycle Speakers / Headphones for pbr300x2 Universal Rotary Dial Volume Control Mounts to Handlebars, Crashbars, Fairing, or Frame Compatible with iPhone, iPod, Android, Galaxy, MP3, Satellite, AUX-in, any device with 3.5mm headphone jack Compatible with Motorcycle Tunes Amplified Speakers, Headphones Fits : Harley, Victory, Indian, Suzuki, Honda, Yamaha, Kawasaki. With or Without Windshields