Can I use a Bluetooth adapter with my existing Wi-Fi card?

Yes — USB Bluetooth adapters work independently of your Wi-Fi card. Some motherboards have combo Wi-Fi/Bluetooth cards. If yours already has Bluetooth, you don't need a USB adapter. Check Device Manager for existing Bluetooth.

How many devices can I connect simultaneously?

Bluetooth 5.0 adapters can maintain connections with 5-7 devices simultaneously. However, audio can typically only stream to one device at a time. For multiple audio outputs, you'll need software solutions.

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