USB Dual Charger Socket & Mount Fits 7/8" to 1" Handlebars, 12 Volt Outlet Power Motorcycles Iphone #Cukd+/hmnt Duel USB charger plug 12 volt socket with handlebar mount. Handlebars 7/8" to 1" Extra stable 5 volt charging source. Waterproof cap covers charger. 2100 ma rated