NSK-AUB1D Genuine New Acer Aspire E1-531-2438 E1-531-4665 E1-531-4919 US Keyboard Black ACER Aspire- Laptop Keyboard in great working condition Brand New and Original Replacement Part with 3 Months Warranty Part Number is: NSK-AUB1D Note: Picture may slightly vary from actual product. Please check the description before Buying! Color: Black