Sennheiser EPOS Adapt 135 USB II, USB-A Mono headsets with 3.5mm jack.   Sennheiser  SC135 has DSP  audio quality and noise-cancelling mic wtih in-line call controls and a 3.5mm detechable jack for smart phones or laptops. Extra large speakers with leatherette ear cushions. Foldable so it's easy for travel.   Microsoft Skype/Teams Certified

Key Features:

• Certified for Microsoft Teams
• USB-A jack + detachable 3.5mm Jack for smart phone or laptops
• Mono ear coupling on Ear
• Leatherette ear cushions
• Cable length - 7.5ft (226cm)
• Digital Signal Processing (DSP)
• Noise canceling mic
• In-line controls for volume and mute and answer
• ActiveGard to stop noise spikes in the line
• 2 year warranty
• old part# 508316

What is Included:

• Headset
• USB Cable
• Carry Bag