China USB Flash Factory - Wholesale USB Flash Drive from China - Promotional Custom Imprint USB Flash Drives

Special use for education and page up and down pen Technology: infrared Function: laser pointer, page up and down, built-in flash memory (optional) Control distance: <12m Dimensions: 14.4 x 1.8cm Battery: LR44 x 3 USB Plug-and-play, no driver required Operating system: Windows 98, Se, 2000, XP, Mac OS, Linux, Vista

Infrared applied system Counters and sorters Floppy disk drive With electronic switch Video camera, tape and card reader With position sensor