CHAO for QC 3.0 USB To 5V-12V Adjustable Voltage Step Up 5.5 x 2.1mm Cable Power Boost Line for WiFi Router LED Strip 12V Dev

Features:

1.When 3.0 USB input,5.5x2.1mm output is 5V-12V,your USB adapter must have for 3.0 12V output,if standard USB 5V input,output is 5V,can not adjustable voltage.

2. With this cable,you can connect your power bank to router. Thus,when power cut,you can use your 3.0 USB power bank to supply your router.

3. When for 3.0 USB input,the output voltage can be adjusted from for 5V-12V,Use this cable,you can supply your car air purifier LED strip light by 3.0 usb power bank

4.For 12V WiFi Router,Light for Cat,switches and other other 12V Device (power Less than 18W )

5.Press the button voltage to change 0.2V each for time,adjust to the imum voltage and then press the button voltage to reduce 0.2V each for time. When the voltage is set to 12V,the next for time you use the default 12V,only supports 3.0 wall or car USB charger or 3.0 USB power bank