Easy to read and read in high speedNo need drive， only plug inMore Than 10 Years Data RetentionNo external power is required 4.5V ~ 5.5V from USB portOperating System: Win98/ME/2000/XP/ Vista/7 ， Mac OS 9.X/Linux2.4Compatible with PC， notebook， MACBrand new gun model USB flash drive， very funny to useAlso can be a great gift for your friendsStorage Capacity:1. 4GB 2.8GBInterface: USB2.0Operating Temp: -10 to +55Deg.CStorage Temp: -20 to +55Deg.CDimension:Approx. 70 x 52 x 16mmColor:As the pictures showWeight:71 gPackage weight:81 gPackage included:1 x USB Flash Drive Disk