Note: The fan power is large, the ordinary charging treasure can't work, and it needs a large capacity charging treasure. The router USB header and the charging head of 1A or above and the USB head of the computer can work. Please do not adjust the size unlimited, the maximum speed of 4200, otherwise it will burn the fan!

Size: 125*125*27MM

Voltage: 5V (can be directly connected to 12V)

Speed: 1900-4200RPM (more than 4200 rpm fans are likely to burn)

Noise: 23dba-51dba

Air volume: 40CFM-140CFM

Wiring: USB

Line length: 60CM,Gift protection net

Bearing: magnetic suspension bearing

Payment Method 　 

 1.We accept PayPal only. Fastest and safest way for making a payment.

 2.Please make the payment via PayPal within 7 Days From the end of the auction end.

 3.Positive FB will be left after received your payment. 　

Shipping 　  

1.Item will be shipped within 2-4 business days upon receipt of payment ,we can ship it from DHL. fedex ,Singapore Post.Hong Kong Post, china Post or many other delivery service, 

please choose which delivery service do you need .

2.Please confirm your address after you bid the item.

Return Policy 　  

1.We believe our items are so outstanding. We are convinced you will be happy with your Purchase.  

2.If you do not satisfy with our items. Please simply return to us within 14 Days in original condition. Just pay for the returned postage.Then we can issue full refund to you after the returned item arrived 

at our warehouse.  

3.Please include your eBay ID and item number with any email requests. 　

Feedback & Contact US 　  

1.When you satisfied with our product and services please leave us positive feedback.  

2.If a problem occurs, contact us immediately with any email request. 

3.Just contact us using the " Ask the seller a question" link on eBay.