Waterproof Motorcycle 12V Cigarette Lighter Power USB Integration Outlet Socket Input voltage: 12V-24V  4.0V USB (output) voltage: 5V  0.25V Output Current: 2.1A Applicable models: cross bike, scooters, cars Application: most phones, including BlackBerry, Apple iPhone, LGENV and Motorola Razr (charging cable). Garmin's GPS, Apple iPod, or any other device using 2.1A or less USB power.