Choicelife Universal Car Mount Holder with Dual USB Charger for Smartphone /Car Charger Compatible with 3.5-5.3 inches smartphones ,GPS ,PDA ,MP4 and other devices Works in all cars ,easy to use Speed charging ,Power supply :DC 12~24v ;output current :DC5V ,2.1A Non-slip feet ,keep your cellphone in holder steadily Adjustable arm and 360rotation for more viewing options