BikeMaster Dual USB Charger with Handlebar Mount Features Keep your smartphone, GPS and/or MP3 charged while you enjoy your ride Water and weather-resistant, the BikeMaster Dual USB Port/Plug Charger offers you 5-Volt/2-Amp dual USB ports that have an in-line fuse for protection It comes with 38 of wire and 12 long battery quick connect rings The included mounting bracket fits 7/8 and 1 bars