Your back, neck & shoulders will thank you for using this ergonomic computer monitor mount. This single monitor arm has two usb ports to power accessories and lets you swivel, pan, tilt, and raise monitors to the perfect position. Tension adjusts to accommodate a range of screen sizes. Using an ergonomic monitor desk mount is an affordable way to improve workplace ergonomics.Adjusting your monitor’s position with this single monitor mount couldn’t be easier – grasp your monitor and rotate, swivel, raise, lower, tilt and move your monitor into the perfect position to optimize your posture. Sit up straight, stop slouching, and enjoy the freedom to easily adjust your computer monitor’s position with this ergonomic computer monitor arm. Not just for sitting, using an ergonomic single-monitor mount is an excellent way to improve your posture at a standing desk. Single monitor arms are a key standing desk accessory because they allow proper separation between your monitor and keyboard, helping you position monitors at eye-level and keyboards at elbow-height.It's fast to install and easy to use. This computer monitor arm connects to your desk via either a Clamp or Grommet connection (both are included in the box). The universal mount on the monitor arm holds most common monitors. A quick-adjust tension spring fine-tunes the ease of adjustment according to the weight of your monitor. FEATURES OF THE ERGONOMIC SINGLE COMPUTER MONITOR ARM:* HEIGHT RANGE: Monitor arm articulates from desk level up to approximately 18 in. * TENSION KNOB: Adjusts to comfortably hold a variety of monitor weights.* SIMPLE: installation is quick and easy with all components supplied* COMPATIBLE MONITOR: weight ~ 4.4-15.4 lbs | Size ~ 17-27 in.All measurements are approximate.