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Along with its default wireless variety, there will also be a wired version of the controller available for those who are afraid of the invisible demons that are used for wireless connectivity. The wired version will feature a 9-foot cable with a breakaway connector, just as the Controller S has.
You can see the headset jack here, which you no longer need an Xbox Communicator to run as Xbox Live voice capabilities are included in each controller. Any standard cell phone headset can fit into the jack, though the official Xbox 360 Headset will include volume and mute buttons as well.