niceeshop(TM) USB to 5.5 Mm/2.1 mm 5 Volt DC Barrel Jack Power Cable (Black,75cm) Cable length: 80cm/31.5inch; Color:Black Type A Male USB plug to 5.5mm(outer), 2.1mm (inner) male coaxial/barrel plug Provides 5V DC from USB Work with any device featuring the DC 5.5/2.1mm USB adapter