AT&T Marathon™ DECT 6.0 cordless headset for corded and cordless single- and multi-line telephones

• Up to 500 feet of range

  Experience the best in long-rang coverage and clarity, provided by a unique antenna design and advances in noise-filtering technology.
• DECT 6.0 digital technology

  Digitally Enhanced Cordless Telecommunications (DECT) 6.0 is a new frequency band that transmits your voice across multiple channels. This technology provides superior quality of voice and sound, high protection against wiretapping and better range than 2.4GHz and 5.8GHz phone systems, while not interfering with wireless routers.
• Multiple wearing styles
• Conference capability

  Add mobility to your conference calls by using up to 2 headsets at once. Since only one phone jack is necessary, it's easy to let more people in on the hands-free conversation (additional accessory headset sold separately).
• Multiple installation options for home or office use

  Expand the convenience of your business phone, or use as an extension of your home system.
• Expandable up to 2 headsets
• Mute

General features

• Up to 500 feet of range
• Works with corded and cordless single- and multi-line telephones
• Switching mode
• Lightweight and comfortable design
• 5-level audio volume control
• Ringer volume control
• Easy registration
• Sound level protection
• One-button answer
• Dual-color, lighted in-use indicator
• Auto off