Microsoft LifeChat LX-2000 Headset Foldable design Behind-the-head Inline volume and microphone controls Carrying case included Plug and play Behind-the-Head Stereo Design. The behind-the-ear design is comfortable and convenient. Flexible Microphone Boom - A high-quality microphone for PC calling, gaming, and other needs. Inline Volume and Microphone Controls - Make quick adjustments with the inline controls. Carrying Case Included - The included carrying case protects both the headset and the cord. Plug and Play - The simplicity of plug and playno software needed. Broad IM Compatibility - Compatible with Windows Live Messenger, AOL Instant Messenger, Yahoo! Messenger, Microsoft Office Communicator, Skype.