Tradus: Laptop USB Mini Fan @ 295 (free shipping) http://www.tradus.com/laptop-usb-mini-f ... ZZQTTDYHS3 Offer price: 395 Use coupon TRADUS100A to get 100 off Final price: 295 Features : Ultra-qulet Design Pitch angle can be adjusted upward or downward. with key switch The use of USB plug can be shared pc.NB power. USB transformer can be purchased on its own power supply.the proposed purchase of 5v,1000MA transformer above. Personalized multi-colour option. Air volume comfort,close to use.all seasons. Notebook and PC cooling fan may be taken Specification : USB Power plug. Body size:149.73x96.3x146.5mm Fan Diameter:96mm weight:250 g Power supplyBig Grinc 5 V Power Consumption:2.5(0.25 w) wire length 1.2m Package size:155x105x155mm