The 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 And Enjoy Up To 2X-Faster Transmit Speeds And 4X-Greater Range. Slot Asus Usb-Bt500 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. 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. Bluetooth Low Energy Technology For Energy-Saving Wireless Connectivity. Highly Portable And Easy To Use.