For Plantronics BackBeat Go 2 / BackBeat Fit Bluetooth USB Car Charger Adapter + Data Cable Slim, small, and portable design to elimate space that regular charger take up. The slim design will fit like a plug in car cigarette socket. Charges any USB-powered device, including mobile phones/smartphones, iPhone, iPod, MP3 players and more. Simply connect the usb cable that is compatible with your device to instantly gain charging power. Car Adapter Input: 12V-24V DC; Output: 5V - 1000mA DC.