SUNSKY - US Version Keyboard With Back Light for Lenovo ideapad L340-15 L340-15API 5000 340C-15
Lenovo IdeaPad Gaming 3 review: almost a good $1,000 gaming laptop - The Verge
Amazon.com: New US Black English Backlit Laptop Keyboard (Without palmrest) for Lenovo ideapad L3-15IML05 L340-15API 81LW Light Backlight : Electronics