SODIAL(R) 2.4GHz 1200DPI Wireless Foldable Arc Optical Mouse Mice Receiver PC Laptop White 1. 10m wireless range: enjoy 2.4GHz wireless technology. Establish reliable connection within 10m, almost without any interference. 2. Foldable and portable: unfold mouse, it shows proper size. And folded, it can turn off automatically. 3. Battery status indicator: you are not perplexed for runout battery. If battery is in low power, the indicator will light red.