What is the type of Bluetooth input device connection without a USB Dongle called?

Question

Bluetooth

Required to purchase for a smartphone without OTG support. In fact, you need a keyboard + mouse that works via Bluetooth, with the ability to connect without a USB dongle. I can't figure out what this type of connection is called to find such a product.

Answer 1

The connection type is called Bluetooth as opposed to a 2.4GHz radio. Difference - blue icon

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not orange icon

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