Xbox One Play & Charge Kit. This kit includes a lithium ion rechargeable battery pack that fits inside the Wireless Controller as well as a charging cable that connects from the Controller to the console. Gamers can play on and on without having to buy a single disposable battery.
The new Play & Charge Kit charges twice as fast as its Xbox 360 counterpart and charges during gameplay or when the console is in standby mode. The Kit is available for standalone purchase or as part of the Wireless Controller with Play & Charge Kit bundle.
Xbox One Chat Headset. A must-have for fans of online gaming, the new Xbox One Chat Headset, wired to the controller, is designed for long gaming sessions and clear voice chat. With a lightweight and comfortable new design, the mono chat headset features wideband digital audio and a unidirectional microphone. Gamers will love not having to take their hands off the controller to access the microphone mute and volume controls.
Edit: Microsoft has officially confirmed the pricing for the Controller, Headset, and Play & Charge kit.
You can purchase the Xbox One Chat Headset for $24.99, the Xbox One Play and Charge kit for $24.99, an additional controller for $59.99 and a bundle of a controller and a Play and Charge kit for $74.99 These are the prices set on the microsoft store