The Panasonic KX-TCA92 comfort fit headset is designed for use with any cordless phone possessing a standard 2.5 mm jack. Panasonic's KX-TCA92 is an excellent way for you to enjoy hands-free communication while at work. The boom-style microphone adjusts to needs of multiple users and cancels solid-state background noise for cleaner transmissions. The 4-foot cord allows you to move around your desk with ease.