The Iogear Bluetooth 4.0 USB Micro Adapter, GBU521 offers Bluetooth connectivity at a fraction of the size of normal Bluetooth USB adapters. About the size of an adult fingernail, it allows users to connect to all the latest Bluetooth devices like cell phones, PDAs, mice, keyboards and more. Because the Iogear Bluetooth 4.0 USB Micro Adapter, GBU521 is so small, you can easily plug it into your computer without blocking any surrounding USB ports. You can connect up to three Bluetooth devices together and transfer even the largest files quickly and easily. With the Micro Adapter's lower power consumption, you can enjoy longer battery life on your laptop and other devices. This Bluetooth Class 2 adapter is compatible with PC computers and offers a wireless range of 30'. The Iogear Bluetooth Adapter is great for a wide range of applications and smaller form factor devices in the healthcare, fitness, security and home entertainment industries.