QUICK TIP: The light will turn orange and flash if the battery is low. This indicates that the keyboard needs to be charged.
Step 1:
Find the keyboard's Micro-USB slot.

Step 2:
Insert one end of the charging cable to the keyboard and the other end to an available USB power outlet or a computer.

NOTE: The light will stay orange while charging and will turn OFF when charging is complete.
To get to know more about the Belkin F5L904, click here.