USB + microUSB dual interfaces for cross-device data transmission. Engineered with dual interfaces of a micro-USB and a USB 3.0 connector, the X31 enables users to copy and transfer files among various Android mobile devices and PCs. Without the constraints of weak internet signals and many kinds of cables and adapters, it promises easier, faster, and more stable data transmission than mobile internet, Wi-Fi, and Bluetooth do.

Instant memory expansion for your mobile devices. Is your mobile device running out of memory? And you really do not want to delete any of your photos or videos? The X31 is about to fix all the problems to achieve real in-time memory expansion for your mobile devices. By easy plug-and-store operation, users can get rid of limited capacity and save more precious memories.

360° swivel cap design. A sturdy 360° swivel-cap design is applied to protect the USB/microUSB connector while it is not in use and allows users to operate the drive with just a simple thumb push without worries about cap loss.

SuperSpeed USB 3.0 interface. SuperSpeed USB 3.1 Gen1 (USB 3.0) interface enables blazing-fast speed performance to quickly transfer large files including HD videos, high-resolution photos, and great numbers of documents in seconds.

Exclusive file management app – SP File Explorer. The exclusive free-download app – SP File Explorer, a file management app, is especially designed for Android devices. In addition to the intelligent function of automatic file categorization, the app provides a “one-touch backup” solution.

Better protections against water, dust, and vibration. COB (Chip On Board) technology is able to offer complete data protections against water, dust, and vibration to keep the golden finger away from impairments that might lead to data damages and losses.