The Black circle emoji is an emoji used to express multiple things. This symbol is used to represent a recording button for sound or film. People send this emoji with record button emoji to say that they are planning to record something and should not be disturbed.
NOTE: Black Circle was accepted in 2005 as part of Unicode 4.1 under the name “Medium Black Circle” and in 2015 labeled as Emoji 1.0.
⚫ Black Circle
⚫ Medium Black Circle
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