Yes, as long as your computer or laptop has Bluetooth capabilities, you should be able to connect your portable Bluetooth speaker.
Yes, most speakers can be used while charging. However, this might increase the charging time.
Many Bluetooth speakers have built-in microphones and a call-answering feature, allowing you to answer calls directly from the speaker. Check your speaker's manual to see if it has this feature.
Bluetooth 4.2 has a standard range of about 60 meters or 200 feet. However, obstructions like walls can reduce this range. Bluetooth 5.0 can theoretically reach up to 240 meters or 800 feet in ideal conditions.
This can vary by model, but generally, there's a reset button you can hold down for a few seconds. If you can't find it, consult your user manual.
Some speakers and devices do support this feature, often called "daisy chaining" or "pairing multiple speakers". Check your device's and speaker's user manuals to see if this feature is supported.
Decrease the volume level, turn off extra features like LED lights if your speaker has them, and ensure the speaker is off when not in use.