This is a NEW, sealed in original box, Microsoft Xbox 360 XDK Developer Accessories Kit.  Designed for the Xbox 360 developer kits, these peripherals and adaptors will function with normal retail Xbox 360 game consoles. 

This kit includes:

1 Silver/Grey Xbox 360 wireless controller

1 controller rechargeable battery pack

1 Charge and play cable

1 headset

1 wireless headset earpiece

1 wireless headset earpiece USB cable

1 wireless headset spare ear flap

1 controller chatpad

1 VGA/stereo cable

1 Component A/V cable

1 printed product guide

Contents photos were taken using a separate open box item.  You will receive a brand new sealed box.