In each USB port. (Suitable for 12v/24v car). Output: Dual USB 3.1A Max/ Singel USB 2.1A Max. Output interface: USB. USB port: 2. Power: car slot. Compatible car: 12V~24V car slot. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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