EPOS Sennheiser SDW 5016 Convertible Wireless Headset is a triple connectivity (deskphone, PC, cell phone) wireless headset with 3 wear styles (over-the-head, over-the-ear, and behind-the-neck).  It allows the the headset to use with a desk phones, a softphone (via USB) and any Bluetooth smarphone. Equipped with Sennheiser's HD sound technology, ultra noise-cancelling boom microphone Roam up to 500ft away from your desk, up to 10 hours of talk time on a full charge. Sennheiser SDW 5016 is UC and Skype for Business Certified.

Key Features:

• Triple-connectivity with a desktop phone and Computer (via USB port), and Cell phone (via Bluetooth)
• 3 wear styles (over-the-head, over-the-ear, and behind-the-neck
• Certified for Skype for Business
• DECT Wireless Technology
• Built-in Busy light on the headset
• Conference calling or training (allow 3 additional headsets to be paired with the same base)
• 128 bit encryption for security
• Up to 590 ft range (line of sight), typical office 180ft range
• Up to 10 Hours Narrowband Talk Time (7 Hours Wideband Talk Time)
• Ultra Noise Canceling Microphone
• ActiveGard safeguards the user's hearing from potentially dangerous spikes in receive-volume
• Compatible with Sennheisers HSL 10 II handset lifter and electronic hook-switches

For more details, see Sennheiser SDW 5016 datasheet

Optional Accessories:

SENNHEISER HSL10 II Lifter