Gintai DC In Power Jack DC Dock DC Jack DC Port Socket Charging Port Cable for Acer Aspire 5750 5750G 5750Z 5750ZG 5755 5755G V3-531 V3-551 V3-571 E1-521 E1-531 E1-571 for Gateway NE56R28U NE56R31U

Takes a little bit of time to fit, but the fit is excellent, and works perfectly

This is a replacement laptop jack as my one inside my laptop had broken off inside so it's cheaper to repair than replace the whole device