... pets 2.our own patent 3.rechargeable battery mini fan usb fan built in rechargeable battery. table fan ceiling fan bladeless ... supply, built in rechargeable battery .( included the rechargeable battery ),USB cable include,AC adaptor not include4.size for leaf, inside ... diameter, 80mmoutside diameter,95mm working voltage,DC6V motor speed,5000PRM no Leaf fanNo Leaf fan also called air ...