HP 7.4 mm to 4.5 DC Dongle - For Notebook - Black - 4.5mm DC Jack / 7.4mm DC Jack

4.5mm DC Jack first end connector type for reliable data transfer and enhanced connectivity and optimal performance 7.4mm DC Jack second end connector type for a secure, worry-free operation Relaxes you by letting you replace your misplaced and overused power cable Lets you change the endpoint of a plug