5. Warranty: 12 months Warranty and good customer service. Please contact us if you have any suggestion and problem about the product. We will solve it for you as soon as possible. 4. Plug and Play: USB flash drive supports plug and play without any software installation, just simple plug into the USB port of a computer or other devices, is compatible with 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, support portable speakers, car speakers, car audio, TV and projector. 3. Interface: USB2.0, backwards USB1.1, Fast Data transmission speed, suitable for storing digital data for school students, business or daily usage. The digital data includes music, video, photos, movies, bidding&tender documents, softwares,etc. 2. Fashionable and Durable: Super mini design, waterproof, dustproof and shockproof. Small, light and easy to carry! Dimension: 22.5mm*12mm*6mm. 1. Guaranteed!!! USB flash drives speed is expressed as the real speed, and pay more attention to the performance of writing speed: Thumb drives is sufficient capacity( 7.45GB ) ,adopts international first-line brand A+ class chips, faster speed and better quality! Write Speed: 10MB/S-15MB/S; Read Speed: 20MB/S-25MB/S.