Treat your eyes to the highest definition and resolution using this 28" 4K 60Hz Monitor from Monoprice! This monitor boasts a native resolution of 3840x2160 pixels with a 16:9 aspect ratio. It features five video inputs, including an HDMI®/MHL™ port, an HDMI port, a Dual-Link DVI-D port, and two DisplayPort connections. The 2 HDMI/MHL ports allow you to use a passive MHL cable to connect your smartphone to the monitor. The monitor will provide all the power needed for the MHL connection and will charge your phone at the same time. It will also work as a normal HDMI (1.4a) input port. Unlike most other 4K monitors, which only support the 4K resolution at a sluggish 30Hz, this monitor supports a full 60Hz refresh rate at the 4K resolution on both of the DisplayPort inputs, so you can take your gaming to the maximum level without compromise. The monitor has a 3.5mm TRS audio input jack, so you can connect your computer's audio output to the monitor and use the built in 2-watts/channel speakers. It also has a 3.5mm TRS audio output jack, so you can connect and control an external set of speakers. When using HDMI or HDMI/MHL video, the audio is split off and is output to both the monitor's speakers and to the 3.5mm audio output. Graphically, it features a 1ms response time and a 1000:1 contrast ratio (typical). It has a brightness of 350 cd/m2, a 170° horizontal viewing angle, and a 160° vertical viewing angle. The glass features an anti-glare coating. The included stand allows adjustment in four dimensions: height, tilt, swivel, and rotating, so you can easily switch from landscape to portrait orientation. It has a 100x100 VESA mounting pattern. Buy this Monitor and you can Get Free Shipping on a 28" UHD LED CrystalPro 4K 60Hz DisplayPort, HDMI/MHL, DVI Monitor for $439.99 after instant rebate at Rakuten.com.