Power up on the go from the comfort of your car with Astrum portable 2.4 amp output USB car charger Features 2.1 amp voltage output for most devices Car adapter to fit car charging socket Over Charge / Short Circuit / Over Voltage / Over Current Protection USB port for inserting USB cable to charge devices Small portable size for OTG charging Specifications Colors: Black, Blue, Red, Gold, Silver Amps: 5V 2.4A DC Input: 12-24V DC Output: 5V - 2.4A Adapter Type: Car Adapter Interface: USB 2.0 Accessories: Car Charger