USB-A to 3.5mm x 1.35mm Barrel Jack Male DC 5V power charger plug adapter cable
For a small electronic device which uses 3.5mm, 5.5mm barrel jack for a power cable. The USB to Type M (3.5mm) Power Cable enables you to power an external 5V DC device. Connector A: USB 2.0 A Male. Connector B: DC 3.5mm Jack.