Purpose and main benefit Adds Bluetooth V5.1 capability to any USB-equipped device that lacks built-in Bluetooth, enabling wireless connections for audio, peripherals, file transfer and more. Key features Bluetooth V5.1: Provides improved throughput and range compared with earlier BLE implementations — advertised to transfer data up to twice as fast and offer up to four times the range of BLE. Backward compatible: Works with older Bluetooth standards (BT 2.1, 3.x, 4.x) so it connects reliably with a wide range of headsets, speakers, phones, mice, keyboards and other accessories. Broad OS support: Compatible with Windows 7, Windows 8.1, Windows 10, Windows 11, Linux and other operating systems that support USB Bluetooth adapters. USB interface: Plugs into a standard USB port to add Bluetooth functionality to desktops, laptops or other USB hosts. Practical advantages Solve connectivity gaps: Enable wireless audio or peripherals on older desktops and laptops without replacing the computer. Extend wireless range and speed: Useful when you need more reliable streaming or longer-range peripheral connections than earlier Bluetooth versions provided. Wide device compatibility: Pair legacy and modern Bluetooth devices thanks to backward compatibility. Typical use scenarios 1. Connect Bluetooth headphones or speakers to a desktop PC for music, video or conferencing without replacing the computer. 2. Pair wireless mice, keyboards and game controllers with a laptop that has no built-in Bluetooth. 3. Transfer files or sync data between a Linux workstation and a smartphone or tablet using a single USB adapter. Why choose this adapter Designed to expand device capability simply and affordably by adding V5.1 Bluetooth to USB hosts. Works with a broad set of devices and operating systems while maintaining compatibility with older Bluetooth peripherals. Note: Product provides Bluetooth V5.1 functionality via a USB adapter and supports the listed Bluetooth versions and operating systems.