From the Cheapskate: This printer hits all the right notes, including AirPrint and Wi-Fi Direct support, duplex printing and affordable toner. Plus: another awesome Martian Notifier deal!
The HL-2270DW not only prints on both sides of a sheet of paper, but also prints without wires (thanks to built-in Wi-Fi).
Don't let the compact size fool you. This MFP offers duplex printing, a 100-sheet ADF, and 802.11n Wi-Fi, among other handy features.
The Creative HS-1200 headphones combine full duplex functionality with wireless technology for the serious gamer or VoIP enthusiast.
The BlueAnt Wireless Supertooth Light Bluetooth speakerphone has a lightweight body. It has excellent sound quality, thanks to full duplex speakers
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Despite its paltry paper capacity, the reasonably priced HL-1850 will keep your small office humming with its fast print speeds and duplex-printing capability.