Multifunction 3 port usb hub calculator mouse pad--MP217          

Features:

*3 port USB HUB              

* USB 1.1 &2.0 optional

*10-bit calculator function   

*Switching on-off converter to calculator

*Blue LED decoration

*USB Power,hot plug and playnee

*Customize LOGO printing are avaliable

*Memory Calculation: M+, M-, MRC.

Packing list:

qty:20pcs/ctn gw:6.8cm

meas:41.2*32*25cm

unit size:21*18*1.4cm