Sennheiser Enterprise Solution SP 20 ML 506050 Sound-Enhanced, User Friendly Mobile Speaker Phone For Desk Mobile Phone Softphone PC Connection Skype for Business Certified, Silver, EXPAND SP 20

Mobile Unified Communications: Designed for professionals using Skype for Business who need a consistently reliable communication solution.
Simplify Conferencing: Easily set up an impromptu conference or share a call with high-quality sound - anywhere (Carrying case included).
Voice Clarity: Achieve a cleaner sound and a more natural conversation flow with voice clarity and echo canceling features.
Multimedia & Music Optimized: Experience the highest quality sound, no matter the circumstance, with a sound-enhancement profile for music.
Extended Talk-time: With up to 20 hours of talk time you can remain focused on your conversations.
Plug and Play: A 3.5 mm USB cable removes the need for any pairing, instead enabling easy plug and play functionality for PCs, cell phones, and tablets