![ASUS USB-BT500 Bluetooth 5.0 USB Adapter with Ultra Small Design, Backward compatible with Bluetooth 2.1/3.x/4.x - Micro Center ASUS USB-BT500 Bluetooth 5.0 USB Adapter with Ultra Small Design, Backward compatible with Bluetooth 2.1/3.x/4.x - Micro Center](https://90a1c75758623581b3f8-5c119c3de181c9857fcb2784776b17ef.ssl.cf2.rackcdn.com/627039_181719_02_package_comping.jpg)
ASUS USB-BT500 Bluetooth 5.0 USB Adapter with Ultra Small Design, Backward compatible with Bluetooth 2.1/3.x/4.x - Micro Center
![embedded - Question about Bluetooth Version 5.0 and Version 4.1 hardware backwards compatibility - Electrical Engineering Stack Exchange embedded - Question about Bluetooth Version 5.0 and Version 4.1 hardware backwards compatibility - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Y13hB.jpg)
embedded - Question about Bluetooth Version 5.0 and Version 4.1 hardware backwards compatibility - Electrical Engineering Stack Exchange
![embedded - Question about Bluetooth Version 5.0 and Version 4.1 hardware backwards compatibility - Electrical Engineering Stack Exchange embedded - Question about Bluetooth Version 5.0 and Version 4.1 hardware backwards compatibility - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/5Bdvv.jpg)
embedded - Question about Bluetooth Version 5.0 and Version 4.1 hardware backwards compatibility - Electrical Engineering Stack Exchange
![A Basic Introduction to BLE 4.x Security - rfif and rfid - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key A Basic Introduction to BLE 4.x Security - rfif and rfid - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key](https://global.discourse-cdn.com/digikey/original/2X/d/dfe1abb37b370e8e6968dda6398b6e3053f6e3e1.jpeg)