Startech.com 3 ft USB to Type M Barrel 5V DC Power Cable - Charge your 5V DC devices using your computer USB port - usb to 5

THE IT PRO'S CHOICE: Designed and built for IT Professionals, this USB to Type M 5.5MM power cable is backed for life, including free lifetime 24/5 multi-lingual technical assistance COMPATIBILITY: Only works with M barrel connections measuring 5.5 OD by 2.1 ID with a positive center pin; The connected device must use 5V, and a max current of 0.9A; Current supplied is determined by the USB port this cable is plugged into DURABLE: This type-M coaxial power barrel connector (fully molded) with durable PVC jacket for high strength and reliability; Flexible PVC strain relief prevents fraying/damage due to repetitive bending or rough usage SPECS: 3ft (91cm); USB-A; Type M coaxial power (Barrel Power Connector OD:5.50, ID: 2.10); Jacket: PVC; Outer Diam (OD): 4.5mm; 5V at up to 0.9A supplied by a USB port; Aluminum-mylar foil with braided shielding USB-A TO PLUG TYPE-M: 3ft (91cm) USB-A to Type M (5.5mm outer diameter, 2.1mm inner diameter, center pin positive) coaxial barrel connector cable; This power cable can be used to power any M barrel device at 5V from a standard USB supplying up to 0.9A