12V的。华盛顿小型便携式金属的粉丝

portable mini metal USB fan USB plug and play,Convenient to use Excellent workmanship and good shape, good choicefor gifts Good air cooling equipment, can be used in any occasions and seasons shell material:metal Blade diameter:150mm Voltage: 5V: Computer's USB Of Interface, Mobile PhoneUSB Of Interface. 6V Secondary Cell Of Interface Current:0.30A 12V: 12V solar battery of Power Interface 12V emergency's light battery Of Power Interface, 12V car of Power Interface Current:0.45A With key switch, convenient to control Soft and strong wind for comfort air cooling Easy to installation,safe,Environmental Protection Wire length:1.2m 360 angle rotative, you can change its angle on your favour Brushless machine,low noise,long using life Colors can be changed on your options OEM available, you can print with your