The third key is set to launch the browser by default, but can be configured for anything using the quick settings key. The trackpad is very responsive with large buttons for primary and secondary click. A biometric fingerprint reader is also available on the palm rest for Studio 1536 Battery security. On the left side there are two USB 3.0 ports, an Ethernet port and a DVDRW drive. The right side has a D-sub out, HDMI out, e-Sata /USB combined port and 3.5mm jacks for headphone and line-in .