[Please note]The DC 5.5 mm x 2.1 mm female plug is the input, micro usb male plug is the output, for 5V micro usb device power or charging, no data transfer function.; [DC to Micro USB]The DC 5521 Female to Micro USB Male plug connector can be a good replacement for devices that frequently use ports, which can protect your device from loose ports, poor contact, damaged ports, etc.; [Compact & Portable]This is DC 5.5 mm x 2.1 mm to Micro USB adapter, it is small in size and weighs only 5g, which can be easily carried in a backpack or computer bag without any extra burden.
; [Reliable and Durable]Made of high quality materials, through the test, the plug has good plug resistance, stability and other characteristics to ensure longer service life.; [Widely used]Through DC plug input power to micro usb plug output power, for a variety of low power devices such as cell phone, tablet and other 5V devices power or charging.