NOTE : Please remove the plastic cover from the earbuds charging pins before using the product for the first time

Put the Earbuds inside the charging case

Using the micro usb cable reveived with the product, connect the Charging case with the charging cable to the USB port on the laptop/computer

Make sure that your PC/laptop is turned ON and not in sleep / hibernate mode

If it still doesn't work try with a different USB port on your laptop/computer just to be sure whether an issue exists with your USB port