Mouse pad serial * Material used: PVC, EVA, natural rubber, PP plastic. * Fashional appearance. Fullpage ad/ logo print, durable impressive advertising. * Shape & Size & Pattern can be made according to your requirement. * Exquisite board, scientific design saves space of tabletop, easy to move the mouse. * Highly recommended as ideal computer mate, gift and promotional items. * Compatibility: Window 98/ME/2000/XP, Linux2.4, Mac OS 8.6 etc. * Retractable USB cable (or extension cable) length 120cm. * USB Hub in 1.1/ 2.0 version (4 or 3 ports) conveniently connect MP3, U Disk, digital camera and other USB perpherals.(CJ-503,CJ-505,CJ-506,CJ-507,CJ-508,CJ-509A,CJ-509B) * Cool LED blue or colorful light at pad rim. (CJ-503,CJ-505,CJ-508,CJ-509A,CJ-509B) * With 8 digital calculator(CJ-208,CJ-507) * SD card reader(CJ-509B) * Internet hotkey (CJ-508) CJ-505 1.4 or 5 prots USB Hub, for all kinds of USB jack system 2.version 1.1/2.0 USB jack is selectable 3.LED blue or red light 4.exquisite board, easy to move the mouse 5.fullpage ad print is available. CJ-505 Product Size: 28*23*1.1CM Carton QTY: 30PCS Carton Meas.: 50.5*45*31.5CM N.W./G.W.: 13KGS/14KGS