Description of Features 128GB, 256GB, 512GB, and 1024GB of capacity; USB 3.1 Type C interface; compatible devices Android Phone, Android Tablet, PC, or Laptop Dimensions: 113 x 41 x 10 mm Weight: less than 75 g Maximum Transfer Rate: 450 MB/s Color: Black; Material: Aluminum Alloy Yes, it is a working indicator. Warranty for Support Systems: Windows, Mac, and Linux Three Years Temperature range for operation: 0°C to +40°C