The HTC 99H10093-00 Car Charger offers 12-24 volts of power to chargeyour phone in your car while you drive. It can be plugged into thestandard cigarette lighter socket of your vehicle. It stops chargingautomatically when your phone battery reaches full charge. This Smartphonecar charger comes with a detachable USB cable to charge and syncyour phone with laptop and PC. For extendable reach and use, thiscar charged has a durable coiled cable. This micro USB car chargerfeatures an LED light to indicate power status. It is ideal for usewith the Desire S and all other HTC phones with micro-USB socket.