Dell XPS 13 (9333, Late 2013) - Manual (Page 3)

Mini DisplayPort
Connect an external display or a projector.
Battery-charge status lights (5)
Turn on when the battery‑charge status button is pressed. Each
light indicates approximately 20% charge.
Battery-status button
Press to check the charge remaining in the battery.
USB 3.0 port with PowerShare
Connect peripherals such as storage devices, printers, and so on.
Provides data transfer speeds up to 5 Gbps.
PowerShare allows you to charge your USB devices even when
your computer is turned off.
NOTE: If your computer is powered off or in Hibernate state,
you must connect the power adapter to charge your devices
using the PowerShare port. You must enable this feature in
system setup.
NOTE: Certain USB devices may not charge when the
computer is powered off or in Sleep state. In such cases, turn on
the computer to charge the device.
Right
Mini DisplayPort
Battery-charge status lights (5)
Battery-status button
USB 3.0 port with PowerShare
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Specifications
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Base
Display