Liveimpex Dongle Adapter 7.4x5.0mm to 4.5x3.0mm Laptop Adapter Tip Connector Converter for Hp Pavilion, Envy, Elitebook, Dell Latitude Brand New,products are CE/FCC/RoHS certified, tested by manufacturer to match and/or exceed specifications of OEM products. Connectorone side is 7.4mm*5.0mm female plug, another side is 4.5mm*3.0mm; Length:6 inch Light weight and easily use. Please make sure the Tip Connecter size of the ac adapter are identical to what your need before buying.