Bluetooth 5.0 USB Adapter Bluetooth 5.0 for Faster Further Coverage- Transfer data up to twice as fast as before and with 4X the range in BLE Wireless Connection free of limitation - Enables wireless communication with Bluetooth-enabled devices Full Compatibility - Backward compatible with Bluetooth®2.1/3.x/4.x Power Saving for Devices - Bluetooth Low Energy technology for energy-saving wireless connectivity Ultra-small Design - Highly portable and easy to use. Wireless Connection Free of limitation USB-BT500 is a Bluetooth Smart Ready USB adapter with new Bluetooth 5 capabilities. USB-BT500 enables wireless connectivity with a wide range of devices such as computers printers phones headsets speakers keyboards controllers and more. Instant Bluetooth Upgrade – 2X Faster and 4X Wider Slot ASUS PCE-AX58BT into your PC for an instant upgrade to the latest Bluetooth 5.0 technology and enjoy up to 2X-faster transmit speeds and 4X-greater range. Enabling Bluetooth on your PC lets you enjoy the convenience and freedom of wireless connectivity with a wide range of devices including speakers headphones and game controllers. Power Saving and Backward Compatibility The ultra-small USB-BT500 comes with Bluetooth Low Energy (BLE) technology which lets you enjoy energy-saving connectivity. In dual mode USB-BT500 maintains full backward compatibility with Bluetooth 4.x 3.x and 2.1.