Accessory cordless headset wirelessly pairs to AT&T DECT 6.0 CL and TL Series Cordless product and works with AT&T TL7610 and TL7611 Cordless Headsets. Conference up to two headsets. Headset features DECT 6.0 digital technology, headset volume control, multiple wearing styles and a range of up to 500'. Multiple wearing styles include over the ear, over the head and behind the neck style. Headset offers auto off, dual-color lighted in-use indicator, volume control, mute, one-button answer, and sound level protection.