A:AnswerThis unit is intended for use with Windows 10 or Linux based PCs. It is not directly compatible with a cell phone via a USB adapter. https://www.asus.com/us/Networking/USB-BT500/specifications/
A:AnswerYes, that product appears to support PC Bluetooth pairing. https://support.apple.com/en-us/HT209544
Please verify that your PC is running either Windows 10 or Linux, and you shouldn't have any issues.
A:AnswerThis unit is intended for use with PCs. I recommend contacting Vizio directly to see if your TV is compatible with this device. https://www.asus.com/us/Networking/USB-BT500/specifications/
A:AnswerThe ASUS USB-BT500 Bluetooth adapter supports Bluetooth 5.0, but it does not specifically mention support for Bluetooth LE Audio, a feature typically found in newer Bluetooth versions like Bluetooth 5.2.
For compatibility with your hearing aid and Cochlear Implant, you might want to check if your devices explicitly require Bluetooth LE Audio and if any other Bluetooth adapters or newer laptops that support Bluetooth 5.2 or higher.