brightness: 250cd / m
interface: 2 HDMI (MHL) connector, a mini DisplayPort1 months, DisplayPort (1.2a Version) 1 , DisplayPort output (the MST), an audio signal line output (for connecting to speakers), 4 USB 3.0 downstream ports (four in the post, one with battery charging), 1 USB 3.0 upstream port
built-in speakers: no
