CableDeconn USB A to DC 3.5 mm/1.35 mm 5 Volt DC Barrel Jack Power Cable Power devices from a USB port to dc charge cable For small electronics and devices which use a 3.5mm barrel jack for a power cable Provides 5V DC from USB Type A Male USB plug to 3.5mm(outer), 1.35mm (inner) male coaxial/barrel plug with positive center pin. Cable length: 1.2m 24AWG