1.CUSTOM WEDDING DAY LOGO IN USB : Each USB ,we have customed the "Wedding Day "logo inside it.And each one will come with a small transparent box packing. | 2.Capacity of The USB : All the USBs with the real capacity which is according the international standard. | 3.100% Satisfaction Guarantee : We can offer you 100% Risk-Free Satisfaction guarantee to let you buy with confidence. | 4.PLUG AND WORK:support windows 7 / 8 / 10 / Vista / XP / 2000 / ME / NT Linux and Mac OS, Compatible with USB 2.0 and below. | 5.USB 2.0 PORT AND HIGH SPEED: The port of the usb is 2.0,which has a high speed writing speed (7MB/S~20MB/S) and read speed (10MB/S~30MB/S).