Add USB 3.0 ports and Gigabit Ethernet to your computer

Kanex says their DualRole is a “perfect companion for laptop users who need additional USB 3.0 ports for instant connection to peripherals and to connect to a secure wired network using Gigabit Ethernet simultaneously.”  It’s especially useful for those who have the tiny laptops (Windows or Mac) that sacrifice the number of USB ports for a smaller size.  If your USB devices need extra power, you can add a power supply to the DualRole.  It offers hot-swappable plug-and-play ports, and it is “compliant with Universal Serial Bus Specification Ver. 3.0 (Data Rate 5Gbps)”.  It  is IEEE 802.3, 802.3u, 802.3ab and 802.3az (10BASE-T/100BASE-TX/1000BASE-T) compatible and supports both full-duplex with flow control and half-duplex with backpressure operation.  It’s $59.99, and if you order before 10/31/13, you’ll receive a free universal power adapter ($19 value).

Compressed Air Duster,Fulljion 3-Gear to 51000RPM Electric Air Duster Portable Air Blower with LED Light, 6000mAhRechargeable Cordless Air Duster for Computer Keyboard Fast Charge(Black)

25% Off $39.99 $29.99 (as of April 18, 2025 03:48 GMT -04:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

COLORCORAL Cleaning Gel Universal Dust Cleaner for PC Keyboard Car Detailing Office Electronics Laptop Dusting Kit Computer Dust Remover, Computer Gaming Car Accessories, Gift for Men Women 160g

$6.98 ($1.25 / Ounce) (as of April 17, 2025 20:12 GMT -04:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)