Lenovo IdeaPad Duet Chromebook CT-X636F Safety, Warranty & Quick Start Manual page 5

Using the USB-C connector
The USB-C connector is used for charging, projection, transferring data, and
connecting to the Lenovo USB-C to 3.5mm adapter.
Charging your device
Connect your device to a power outlet using the USB cable and power
adapter provided.
Battery indicator
Red Low battery
Blue Charging
Green Fully charged
Using the Lenovo USB-C to 3.5mm adapter
Use the Lenovo USB-C to 3.5mm adapter to connect a 3.5mm audio plug.
Only use the provided Lenovo USB-C to 3.5mm adapter. A third party adapter
is not suitable for this device.
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