5.5x2.1mm DC Plug Adapter Charging Cable Power Supply for Microsoft Surface Pro3
1 X DC5.5mmx2.1mm Female DC Plug Charging Cable. Plug: For Microsolft Surface Pro 3, For Microsolft Surface Pro 4. Plug: DC5.5 2.1mm female head. Wire length: about 20 cm/7.87" (including plug length).