Stand unsteadily around with speaker (7)

I believe the answer is:

tweeter

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'speaker' is the definition.
(I know that Tweeter is a type of speaker)

'stand unsteadily around with' is the wordplay.
'stand unsteadily' becomes 'teeter' (I can't justify this - if you can you should give a lot more credence to this answer).
'around' indicates putting letters inside.
'with' becomes 'w' (abbreviation).
'teeter' placed around 'w' is 'TWEETER'.

Can you help me to learn more?

(Other definitions for tweeter that I've seen before include "part of speaker" , "with high frequency?" , "One relaying notes" , "little Speaker" , "High-frequency speaker" .)

I've seen this clue in The Sun.

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