notes: 1. Due to manual measurement, please allow 1-3mm error. 2. Due to the difference of different monitors, there is a color difference, I hope you can understand. describe: Quantity: 1 piece USB 2.0 interface. Fast transfer rates for reliable copy/download/backup. No additional driver installation is required. Powered by USB port, no additional power supply required. Card Compatibility: for MICRO SD/SDXC/TF card Compatible with Windows ME, 2000, XP, Vista, WIN 7 and Mac OS with USB interface. The package includes: 1X SuperSpeed USB 2.0 Micro SD TF Card Reader Adapter 1. We maintain a high level of responsibility for our customers and are as responsive as possible to the needs of our guests. 2. If you have any questions about our products, please contact us in time, we will solve it for you immediately! 3. Due to the different display devices, the color of the products may have some discrepancies, hope you can understand. 4. Due to the different photo shooting angle, the actual shape and size of the product may not be consistent with the picture, please refer to the description of the product size, everything shall be subject to the physical object received. 5. Thank you for your purchase, we sincerely wish you happy every day.