HP 15-r081nr Notebook PC - Manual (Page 14)

Right side
Component Description
(1) USB 2.0 ports (2) Connect an optional USB device, such as a keyboard,
mouse, external drive, printer, scanner, or USB hub.
NOTE: For details about different types of USB ports, see
Using a USB device on page 37 .
(2) Optical drive (select models only) Reads and writes (select models only) to an optical disc.
(3) Optical drive eject button (select models
only)
Releases the disc tray.
4 Chapter 2 Getting to know your computer