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Asus Orion Pro Gaming Headset 遊戲耳筒
Brand new unopened box.
Retail price : $599.00
No receipt since it is a gift to me.
Website Reference :
http://www.asus.com/Gaming/Orion_PRO/
http://www.guru3d.com/articles_pages/asus_
rog_orion_pro_gaming_headset_review,1.html