Part NO.: Metallic Silver:31030099102Patent NO. : U.S Patent No. 5,530,455OS Support: Windows® 8 /Vista/XP or Mac OSX 10.4+RF frequency: 2.4GHzPort: USBResolution(dpi): 1200 dpi IR EngineButtons: 3Battery: AA x 1Dimension(W x H x D) mm : 97.95 x 60.91 x 36.64Body Weight (g) : 57 (incl. Receiver)Package Size(W x H x D) mm : 105 x 185 x 50 รหัสสินค้า :105202 020 AW"ส่งฟรีที่เซเว่นอีเลฟเว่นทุกสาขาทั่วไทย" Website: http://www.shopat7.comGoogle Plus: http://google.com/+ShopAt7Facebook http://www.facebook.com/ShopAt7Youtube: http://www.youtube.com/shopat7ChannelTwitter: http://twitter.com/ShopAt7