USB Powered Cooling Fan for Phones and Tablets Key benefits - Reduces device heat during gaming, video playback, and high-performance tasks to help maintain smooth performance. - Powered by USB from any source (power bank, notebook, USB adapter), so you do not rely on your device battery. - Small and portable, making it easy to carry and use on the go. Compact, portable design - Footprint: 50 x 50 mm; thickness about 10 mm; weight around 40 g. - Slim and lightweight profile suits pocket, bag, or backpack without adding bulk. Easy attachment and use - Designed to mount on the back of smartphones or tablets for stable, hands-free cooling. - Simple operation: connect to a USB power source and attach to your device. Compatibility and performance - Approximately 50 mm square with a height of about 10 mm, designed to fit almost all smartphones and tablets. - USB powered: compatible with power banks, laptops, USB wall adapters, and other USB sources. Use scenarios - Mobile gaming on a smartphone during extended sessions. - Watching videos or performing tasks on a tablet in warm environments. - Outdoor use in hot conditions where device temperature tends to rise.