Speed through daily tasks in comfort with this monitor's SoftBlue technology. Full HD resolution and 120Hz refresh rate. Not to mention, SmartErgoBase adds an ergonomic touch to the monitor's feature list. The Business Monitor 27B2N4500 LCD monitor synchronizes the display's refresh rate with the graphics card to eliminate screen tearing and stuttering. Eye-Friendly: Reduces eye strain with stable image output and flicker-free technology. Built-in speakers provide audio output without the need for external speakers. Height Adjustment - Ergonomic Viewing Angle, Sitting/Standing Compatibility.