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What is the meaning of the different USB port colors? (blue, teal blue, yellow, red, black) - Tech Fairy
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Aduro 40W 6-Port USB Desktop Charging Station Hub Wall Charger for iPhone iPad Tablets Smartphones with Smart Flow Red - Walmart.com
Tripp Lite USB-A Port Blockers, Red, 10 Pack - USB port blocker - TAA Compliant - U2BLOCK-A10-RD - Security Locks - CDW.com
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Amazon.com: Syba SY-ACC20165 USB Port Blocker with 1 Key and 4 USB Lock, Physical Security, Block Unapproved Devices SY-ACC20165 : Electronics
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