usb mini fan 1.usb power plug 2.used for PC/NB radiator and air cool 3.great air flow 4.easy to carry and place Package size: 150*105*150mmBody size:149.73*96.3*146.5mmweight:250gpower :DC 5Vfan diameter:96mmwire length:1.2mcolor: orange,black,off-white,green,blue,pinkcategory: ABS,PPUSB power plug ,can connect to PC,NB powerCan purchase transformer by yourself and 5V,1000MA above is proposed.