U disk is compact, easy to carry and save space. With IPX7 waterproof performance, it can avoid file damage and loss. Make U disk transfer faster and more stable. The U disk is made of high-quality metal material, which is sturdy and durable. The product is 1.5cm long, 1.5cm wide and 1.3cm high. It can be used with USB/Type-C interface, not only suitable for cars, but also compatible with audio equipment with USB/Type-C interface on the market. The original lossless sound quality stimulates the potential of the sound without changing the car audio, and instantly enhances the sound effect. material: metal Interface: A: USB, B: Type-C (optional) Working temperature: 0 degrees Celsius - 60 degrees Celsius Storage temperature: -20 degrees Celsius -85 degrees Celsius Transfer speed: read speed: 17-90MB/s, Write speed: 6-45MB/s Scope of use: number of equipment such as automobiles, computers, TVs, mobile phone stereos, etc. Erase times: more than 1 million erasable times Features: Portable operation, plug and play, easy to use Size Details: 1.5cm x 1.5cm x 1.3cm / 0.59" x 0.59" x 0.51" (approx.) Note: Due to differences in lighting and screen settings, the color of the item may be slightly different from the picture. Due to different manual measurements, please allow slight size differences. Package includes: 1 USB stick