For Jawbone ICON Bluetooth USB Car Charger Adapter + USB Charging Cable Slim, small, and portable design to elimate space that regular charger take up. Silver half ring allows you you to easy plug and pull this adapter in and out from cigarette lighter. 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.