OSIM uVision 3 is a portable device designed to alleviate digital eye strain. It combines vibration and warmth to offer relief for tired, sore, dry eyes, and headaches. With four massage programs, it helps relax your eyes while you continue your daily activities, thanks to its see-through lens. It's easy to use with a one-touch button and can be powered via micro USB, making it convenient and cost-effective. Weighing only 2g, it's lightweight and portable for on-the-go relief.