Provide certified USB flash drive from China

Specification:   USB Version 1.1/2.0 interface Capacity from 64MB to 4GB Auto-run Function is optional Bootable Function Built-in Password Protection   High Performance Data transfer rate up to 33MB/s for Read, 22MB/s for Write in Dual-channel mode; Data transfer rate up to 20MB/s for Read, 9MB/s for Write in Single-channel mode ***The rate of performance depends on the different operation system available and various flash adopted***   Multiple Operation Systems supported: No driver needed in Windows ME, Windows 2000, Windows XP, Mac 9.x or later, Linux Kernel 2.4 or later. Only Windows 98 and Windows 98SE need the enclosed driver   10 years data retention More than 1,000,000 times data encryption   Product Dimension: 7*2.2*1.2cmH Net weight:0.009KG   Packing Detail:   Plastic blister packaging: Plastic blister Size: 14.5*10*1.5cm   Carton size: Inner box: 32*16*11cm (25pcs/box) For 100pcs/ctn: 33*32*24cm For 200pcs/ctn: 64*33*24cm