The U disk is compact, easy to carry, and space-saving. With IPX7 waterproof performance, it helps protect files from damage and loss. It enables fast and stable data transfer. The U disk is made of high-quality metal material, ensuring durability and sturdiness. The product dimensions are 1.5cm in length, 1.5cm in width, and 1.3cm in height. It supports USB and Type-C interfaces, making it compatible with various devices such as cars and audio equipment with USB or Type-C ports. It delivers original lossless sound quality, enhancing audio performance without modifying the car audio system. Material: Metal Interface: A: USB, B: Type-C (optional) Operating temperature: 0°C to 60°C Storage temperature: -20°C to 85°C Transfer speed: Read speed: 17-90MB/s, Write speed: 6-45MB/s Compatible with various devices including cars, computers, TVs, mobile phones, and stereo systems Erase cycles: Over 1 million times Features: Portable, plug-and-play, user-friendly Size: 1.5cm x 1.5cm x 1.3cm / 0.59" x 0.59" x 0.51" (approx.) Note: Due to lighting and screen settings, the item's color may slightly differ from the image. Please allow slight size differences due to manual measurement. Package includes: 1 USB stick