（六）违反规定不及时退还保证金的；
The Buds 4 Pro have a wide woofer that increases the effective speaker area by nearly 20 percent compared with the previous gen earbuds, Samsung said. They support 24-bit/96kHz audio.
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it starts and ends its lifecycle through automation?
Well, not quite. A deeper dive revealed the problem was far from over. A check on VirusTotal showed 10 different security vendors had flagged the domain.