Hign-concerned Chemical:None Model Number:588 Cooler Type:others Supported CPU:LGA 755,LGA 775 TDP:2W Power Interface:3pin/4pin Package:No Lines:4 LINES Certification:CE Blade Quantity:13 Origin:Mainland China Brand Name:YINWEITAI Description: Laptop cpu cooling fan for Product DescriptionItem description (1) Conditions: (1) the original authentic fan, not OEM (2) Warranty :90days Pls check the compatibility according to the description and picture before buying! Shipping way and time (1) We will ship items within 48 hours after your payment is cleared. Order placed on weekend or holiday will be shipped out on Monday or next working day. (2) In principle we choose china post air mail. (3) The approximate shipping time to different countries below is just for your information only, which is estimated, not guaranteed. Shipping way : China post air mail Shipping time : 15-25 working days Tracking : Yes (4) If you want to choose expedited shipping way to delivery your item please contact us and we will try our best to achieve it. Replacement/Exchange/Refund (1) We accept exchange within 14 days after receiving for defective item. And we will refund your money back. Meanwhile you need to provide us some evidence, such as picture, to show us it is defective. (2) If you buy a wrong item pls contact us immediately and we will delivery another right one if we have. But you need to afford all the costs including original freight, handling charges and the return freight, etc. (3) Unwished product return will be charged a 15% restocking fee only if item is the same as which we sent out. Buyer needs to pay for the shipping fee to send items back. (4) If returned item is not the same as which we sent out to you, such as destroyed, you need to pay for it. Warranty (1) The warranty period is 90 days and it must be under normal use. (2) If the item does not work within the warranty period under normal use we can exchange a new one, but the buyer need to pay for the freight of the second time delivery. (3) If the item does not work within the warranty period for abnormal use, we will not exchange a new one for you. Feedback (1) We appreciate you leave 5 star positive feedback for us upon receipt of your item. (2) If your item hasn't arrived or isn't as described and want to leave a negative feedback, contact us first. Give us a chance to make things right for you, and we will do our best to assist you solve any issue. Other Reminders Please be aware that many items have the same part number and they might have Different Appearance, Screw Alignments & Pin Connectors. You should make sure that you remove your current item from your laptop and compare it with the picture shown by us.