The Crystal Inner-Engraving Glowing USB Flash Drive is an elegant and innovative promotional item that combines artistry with functionality. Featuring intricate inner-engraved patterns within the crystal body, this USB drive illuminates the crystal section when plugged into a computer, creating a stunning luminous effect that highlights the detailed design. In addition to the inner-engraving, the USB drive allows for customized artwork on its surface, providing a dual canvas to showcase your brand’s logo, imagery, or message with sophistication. Perfect for exhibitions, trade shows, or premium promotional gifts, this USB drive not only offers reliable data storage but also serves as a luxurious brand ambassador, leaving a lasting impression with its blend of craftsmanship, modern technology, and glowing brand visibility. Measuring 2.4*0.5 inches, this custom crystal inner-engraving glowing usb flash drive. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: Compact size, lightweight, easy to carry.