Additional Details ------------------------------ Product description: Enjoy near lag-free and reliable connections to speakers and other compatible wireless devices with the Compact Bluetooth 5.1 USB Transmitter from IOGEAR. In addition to having a maximum range of 328 feet, Bluetooth 5.1 uses Angle of Arrival (AoA) and Angle of Departure (AoD) methods to pinpoint the distance and direction of a wireless signal within a few centimeters of accuracy. This delivers a stable and reliable connection to compatible devices. With support for up to two separate audio devices, you can enjoy high-quality stereo sound using compatible wireless speakers. With its compact design, you can leave this transmitter plugged into the USB-A port of your laptop while traveling. Less Bluetooth Interruption Bluetooth 5.1 comes with a new feature called "randomized advertising channel indexing." When you pair with your device, the connection now runs on a specific channel. Other devices get more room to avoid interfering with each other. That is especially helpful if there are