The Ulanzi CR1 3-in-1 card reader is a versatile data transfer solution designed for photographers, videographers, and content creators who require efficient file management across multiple devices. This compact accessory supports simultaneous reading of three different memory card formats, eliminating the need for multiple adapters and streamlining workflow. Measuring approximately 6.5 cm in length, 4.2 cm in width, and 1.5 cm in height, the device weighs just 45 g, making it highly portable for on-the-go use. It features USB-C connectivity for compatibility with modern laptops, tablets, and smartphones, with data transfer speeds supporting USB 3.0 standards for rapid file access. The CR1 accepts SD, microSD, and CFexpress Type B cards, covering the most common professional media formats. Its aluminum alloy construction provides durability while maintaining a lightweight profile, and the integrated cable management system keeps the 15 cm USB-C cable neatly stored. The card reader operates without external power requirements, drawing minimal power from host devices. For users working with high-resolution images or 4K video files, this reader offers reliable performance with stable connection protocols. The design includes individual LED indicators for each card slot to show active data transfer status. Compatible with Windows, macOS, Android, and iOS operating systems, the CR1 facilitates cross-platform file management. Its plug-and-play functionality requires no additional software installation for basic operations. The matte black finish resists fingerprints and minor scratches, maintaining a professional appearance through regular use. This card reader represents a practical solution for professionals seeking to consolidate their memory card interface needs into a single, reliable device that balances performance with portability.