USB Type-A to Barrel Jack Plug DC Power Supply Cable Charger Cord For MP3 PSP -
Connector B: 2.0mm x 0.6mm, 2.5mm x 0.7mm, 3.5mm x 1.35mm, 4.0mm x 1.7mm, 5.5mm x 2.1mm (optional). 1x USB to DC Cable (Connector as your choice). Provides 5V DC from USB. Power devices from a USB port.