The IOGEAR Accu-Tip Stylus is a practical tool for anyone who signs, writes or sketches on a touchscreen. It works with any capacitive touchscreen device, including Apple iPhone and iPad and Samsung Galaxy S4 and Galaxy Tab. The 4.5mm Accu-Tip is much finer than a fingertip, so strokes are more precise and more of the screen around the tip stays visible while you work. That precision makes signatures on digital credit card purchases and banking documents look more like pen on paper. It also makes the stylus useful for students taking notes, artists working in painting and drawing apps, and anyone typing on a small on-screen keyboard. In cold weather, it lets you use a touchscreen when direct finger contact is difficult. The soft, durable rubber tip glides across the display without scratching, smudging or leaving fingerprints. The metal body adds rigidity and balanced weight for a consistent, pen-like feel, and it resists bending in a bag. The stylus measures 4.85 in long and 0.51 in in diameter and weighs 0.05 lb. It is covered by IOGEAR's 1 Year Limited Warranty.