1. Adapt your USB port with this cable so you can power small devices and electronics which use a DC barrel jack for a power cable. 2. For small electronics and devices which use a 2.5mm barrel jack for a power cable 3. Connector outside diameter: 2.5mm, connector inside diameter: 0.7mm 4. USB 1.0, 1.1 and 2.0 compatible 5. Suitable for any tablet PC with 2.5/0.7mm, outer diameter 2.5mm (inner diameter 0.7mm) DC-in jack 6. Length: 120cm
