why does my usb have less space than it says

6:09

کوتاه

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6:11

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11:28

3:48

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4:09

8:59

1:50

28:38

8:59

2:20

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3:01

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3:29

2:43

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12:05

5:07

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5:11

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4:56

4:39

3:25

5:22

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3:45

2:52

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