Maspen Bulk Pack USB 2.0 Flash Drives Swivel Thumb Drive Memory Stick, Black About Maspen * We are professional USB flash drive manufacturer. * All the USB thumb drives are double tested and formatted one by one before delivery. Tech Specifications: Chip: Grade A Size: 2.36 x 0.8 x 0.3 inch Weight: 5 ounces Interface Type: USB 2.0 (backwards compatible to USB 1.1) Compatibility: Desktop, Laptop, Macintosh, Tablet, Speakers and all with USB port, including some old machine, like embroidery machines, printers and more Operating System: Windows 7/Vista/XP/2000/ME/NT/98,Linux and Mac OS Operating Temperatures : 32°F to 140°F (0°C to 60°C) Storage Temperatures: -4°F to 185°F (-20°C to 85°C) Package Included: 1 x 64 GB USB Flash Drives Friendly Tips: 1. Some of the listed capacity on the USB flash drives is used for formatting and other functions, thus is not available for data storage. As such, the actual available capacity for data storage is less than what is listed on the products 2. FAT is factory default drive format, which is read/write compatible with Windows and Mac OS; while NTFS is compatible with Windows but semi-compatible with Mac OS. Please format it properly if need. Service: Thank you for choosing our products. If you have any problem during shopping, please do not hesitate to contact us. We are striving to be a trusted partner and seek to achieve 100% customer satisfaction.Easy to Use - Plug and play USB memory stick, no installation needed. Easy to use for laptops, tablets, TVs, gaming consoles, car audio systems, and more; Support Windows 7 / 8 / 10 / Vista / XP / Unix / 2000 / ME / NT Linux and Mac OS, compatible with USB 2.0 and backward-compatible with 1.1 ports. Great for All Ages and Purposes - the thumb drives are suitable for storing digital data for school, business, backup or daily usage. Apply to data storage of music, photos, movies,designs, manuals, programs, handouts and other files; Also can be a great gift for sharing your digital world and happiness to your friends or families. LED Indicator - the usb flash drive has a tiny LED indicator inside which is solid red when connected and flashes when it's being written to. Retractable & Portable Design - the usb drives features retractable design which can keep the connector safe; And there is a lanyard hole at the end of the usb flash drives which can help you easily attach to your key chain or backpack to avoid from losing and for easy carrying. What You Get - 1 pack 64GB genuine USB 2.0 flash drives in different colors which help you use them for different purpose or content, 12-month warranty and lifetime friendly customer service for free. Any problem, please feel free to contact us, we are always here for you.