Welcome to our store! 1. Made of heavy metal, this USB flash drive features a classic auto-adsorption metal casing, offering an attractive and premium feel. 2. The eggshell-shaped design, achieved through an electroplating process, is stylish and visually appealing. 3. Supports USB3.0 and backward compatibility. It can be used without an external power supply or battery and supports over 5000 plug-and-unplug cycles. 4. This high-speed USB drive boasts a write speed exceeding 15mb/s and a read speed exceeding 80mb/s. 5. Simple to use and manage; just plug it in and go. Item Type: USB Flash Drive Model: K30 Interface: USB3.0 Interface Lifespan: More than 5000 times Normal Write Speed: 15mb/s or more Normal Read Speed: Over 80mb/s Maximum Read Speed: Up to 100mb/s Supports USB3.0 and is backward compatible Can be used without external power supply or battery System Support: For Win7 / OS X, etc. Package Includes: 1 x USB Flash Drive 1 x User Manual Customer satisfaction is our top priority. If you encounter any issues with your product upon receipt, such as damage or incorrect quantity, please contact us immediately. We strive to provide the best customer service.