Smartphone usb flash drives
Gelbertgift also offers customization for Phone OTG USBs -- a part of a supplement to the USB specification that allows other devices to be interlinked to each other.
This rare corporate giveaway is an efficient way to market your company because only a few would mass produce such item for advertising purposes.
You can choose from different styles, shapes and sizes. This OTG USB is compatible to almost any smartphone device.
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