User's Manual

4. microSD card slot
Insert a microSD card for data access or storage.
5. Audio connector
Connect headphones with a 3.5-mm (0.14-inch) and 4-pole plug to listen to the
sound from the Chromebook.
Connect a headset with a 3.5-mm (0.14-inch) and 4-pole plug to listen to the
sound from the Chromebook or talk with others.
Note: The audio connector does not support standalone external microphones.
4 Lenovo 100e/300e Chromebook 2nd Gen AST User Guide