Featuring mini and compact, the U disk is portable and space-saving. With IPX7 waterproof performance, it can avoid file damage and loss.Imported black colloidal chip is used to make the USB flash drive faster and more stable transmission.Using premium metal material, U disk is sturdy and durable.The length of the product is 1.5cm, the width is 1.5cm and the height is 1.3cm.It can be used with USB/Type-C interfaces, not only for cars, but also compatible with audio devices with USB/Type-C interfaces on the market. With original lossless sound quality, it can stimulate the potential of the sound without changing the car stereo, and instantly improve the sound effect.Item Name: U DiskMaterial: MetalInterface: A: USB, B: Type-C (Optional)Working Temperature: 0 Degrees Celsius - 60 Degrees CelsiusStorage Temperature: -20 Degrees Celsius - 85 Degrees CelsiusTransmission Speed: Read Speed: 17-90MB/s, Write Speed: 6-45MB/sScope of Use: Car, Computer, TV, Mobile Audio and Other EquipmentNumber of Erasing: More Than 1 Million ErasableFeatures: Portable Operation, Plug and Play, Easy to UseSize Details: 1.5cm x 1.5cm x 1.3cm/0.59" x 0.59" x 0.51" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x U Disk