<b>mosDART USB Flash Drive Features: </b> <br> 1. Swivel Design. The metal clip rotates 360° round the ABS plastic body which with rubber oil skin feeling finish <br> 2. The dimension of the USB is 2.13"*0.76"*0.4" (fold). It comes with eye loop for lanyards or keychain, for easy carring long with your keyring, bag, backbag, and cellphone, etc. <br> 3. Available capacity: 128MB, 2GB, 4GB, 8GB, 16GB,32GB <br> <b>mosDART Technical Specifications: </b> <br> <b>Chip: </b> Grade A, original brand flash memory chip<br> <b>Interface: </b> USB 2.0. USB 2.0 Compatible (Backwards compatible to USB 1.1) <br> <b>Speed: </b>Writing speed: 3MB/S-6MB/S; Reading speed: 6MB/S-12MB/S <br> <b>Compatibility: </b> Desktop, Laptop, Mac., Tablet, Speakers, Television, Car video system which has USB port and allows data transmission <br> <b>Operating System: </b> Windows 98second edition/NT/ME/2000/XP/7/8.1/10 and above, it also compatible with Linux and Mac OS 10.3 and above.<br> <b>Operating Temperatures: </b> 32º F to 140º F (0º C to 60º C) <br> <b>Storage Temperatures: </b>-4º F to 185º F (-20º C to 85º C) <br> <b>Durability: </b>50,000 times read and write<br> <b>Package Description: </b> 5pcs of Genuine USB Flash Drive, packed in a Eco-friendly package<br> <b>Tips: </b><br> The actual available capacity for data storage is less than what is listed on the products. As some of the listed capacity on a flash storage device is used for formatting and other functions, thus is not available for free data storage of users The usable space for each capacity is as below: <br> 8GB: with usable storage space of 7.36GB<br>