Male 4pin HR10A-7P-4P Hirose to USB A for ZOOM F4/F8 ,Sound Devices 688 633 664 and SD mixers.

Cable length: about 60CM

This cable contains a voltage Boost module, Which can regulate The voltage of DC 5V 2A to DC 12V 1.5A. 
With a USB connector regulated to 12v to power your Zoom F8 or sound devices .you can use a powerbank to run it of powerbanks 5v uprating/regulating to 12v.