Material: aluminum+ABS+PC Can charge 2 devices at the same time Intelligently automatically match the current required by the device to protect the battery Smart selection of trickle mode to ensure that the phone is overcharged Metal conducts heat quickly, dissipates heat quickly, and fast charging at low temperature is safer Longer non-slip shrapnel, not afraid of bumps Common for 12V-24V car models Size: 55x26.5mm Type: CarUSB Ports: 2: