
All 5 of mine worked fine when tested straight away. Some are better suited to USB ports than others. They are also taller than my little Kingston who died while playing music through my car stereo's USB port. But now I have 5 cheap hard drives to replace it. Write speed is slow, but what do you expect for $1? I'm glad I found her.

5-in-1 USB Camera Connection Kit with SD TF Card Reader, 3.5mm Headphone Jack, and Charging Adapter for iOS 14 Devices - Compatible with iPhone 12 Pro and iPad - SD Card Reader USB Camera Adapter with OTG Functionality
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Neewer Black Memory Card Storage Holder - Waterproof, Anti-Shock with 14 Slots for Micro SD, TF, CF, SD and XD Cards
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JJC Camera SD TF Micro SD Memory Card Case Holder Organizer Box with Card Removal Tool & Lanyard - Water-Resistant Storage for 4 SD & 4 TF Cards
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