Saris BLE USB Adapter For PCFor Virtual Training If you have a smart trainer, you can connect it to your PC for firmware updates and virtual training. The Saris BLE USB Adapter For PC is a dongle that allows you to use Rouvy. It is needed for firmware updates to smart indoor bike trainers. It is designed to work with desktops and laptops. Features Bluetooth low energy dongle so you can use Rouvy Needed for wireless firmware updates on smart bike trainers Works with desktops as well as laptops | Saris | Ble Usb Adapter For Pc Adapter