size ：11.5*6.65* 6.5 cm  weight: 182g,                    
material ： ABS (according to CE standard)    
two working methods : refrigeration and the fan modes use way: wetted the sponge,put it  into the open air conditioning, open the air-condition, makeing cool  wind, taking out sponge, will not have a cold wind,  a sponge can reusing （ can be mixed essences to keep the sweet smell  ）    
power form: 1.LI-NH battery inside,can be charged repeat                    
 2. USB interfaces,the power supply direct