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EPOS | Sennheiser ADAPT 135T USB-C II Headset

Quick Code: 27291
MPN NO: 1000904
Condition: new

Key Features:

  • Mono Headset with USB-C (PC) & 3.5mm (Mobile) Connection 
  • Certified for Microsoft Teams and Optimised for UC
  • Noise-Cancelling Microphone
  • Lightweight & Comfortable with Leatherette Ear Pads
  • Exceptional Microphone Clarity

Quantity Discount:

Buy 3+ @ £29.05 each - saving of 3%
Buy 5+ @ £28.45 each - saving of 5%
Buy 10+ @ £27.85 each - saving of 7%
Buy 20++ @ £26.96 each - saving of 10%
EPOS Sennheiser
RRP £74.00
Save:  £44.05 (60%)
178 in stock<span>, next day delivery</span>  

178 in stock, next day delivery

12 Month Warranty

12 Month Warranty

Next day delivery
Order soon for delivery on using DPD.


EPOS | Sennheiser ADAPT 135T USB-C II Headset 

The EPOS | Sennheiser ADAPT 135T USB-C II Headset is an on-ear single-sided USB headset with 3.5 mm jack and detachable USB-C cable with in-line call control. Work your way with a stylish, comfortable headset designed for the demands of today’s hybrid workplace with superior stereo sound. Enjoy an audio tool that adapts seamlessly in the office, on-the-go, or while working remotely. Experience flexibility and comfort, with a discreet boom arm design that folds neatly away into the headband and plug and play device connectivity.

Business Grade Communication

Work in style with an elegant headset designed for the smart office. Experience flexibility and comfort with large on-ear noise-damping earpads and a discreet boom arm that folds neatly away into the headband. Choose between UC optimized and Teams Certified variants. Jump straight into Microsoft Teams meeting with dedicated Teams’ button on Teams Certified Variants, while smart audio technologies give you peace of mind to focus and boost productivity.

Transform Any Space Into a Workspace

Experience an audio tool that adapts to you wherever you go. Lightweight, foldable and portable, the headset is designed for today’s hybrid workplace with EPOS Voice™ technology and a noise-cancelling microphone. Enjoy a seamless call experience wherever you work, while smart audio technologies and noise-damping earpads ensure a disruption-free workplace, anywhere. With variants optimized for UC and certified for Microsoft Teams, you can optimize your performance however and wherever you work.

Features and Benefits

  • USB-C Headset for PC Connection with 3.5mm Jack for Mobiles
  • Certified for Microsoft Teams and Optimised for UC
  • Plug and Play Connectivity
  • Noise-Cancelling Microphone
  • EPOS Voice Technology
  • Exceptional Microphone Clarity
  • Comfortable & Stylish with Leatherette Ear Cushions
  • Easy to Store & Portable with Lightweight Design
  • Smart Audio Technology Reduces Noise Disturbances
  • Inline Call Controls - Volume Up/Down, Mute & More 
  • Microsoft Teams certification applies when USB/USB-C dongle or cable is connected to PC or Mac®

Additional Information

Model:  27291
Bar Code:  5714708007050
Part Number:  1000904
Brand:  EPOS Sennheiser
Corded or Cordless  Corded
New or Refurbished?  Brand New
Recommended for  PC and Mobile
Connects Using  USB-C & 3.5mm
Wearing Style  Single Ear (Mono)
Microsoft Teams  Certified for Microsoft Teams
Headset Model  EPOS Sennheiser ADAPT

Please see important information relating to the shipping and delivery of the EPOS | Sennheiser ADAPT 135T USB-C II Headset

All items ordered from The Headset Store are shipped for speed as well as security.

We use DPD as our only courier and charge a UK wide flat rate carriage fee of only £6.95 + VAT no matter how many items you order from us. When you spend over £200 exc. VAT we will ship your order FREE of Charge.

  • We will not dispatch items if you do not have a physical address
  • Orders will only be automatically dispatched within the UK. International Shipping to certain countries is available at an additional cost to our flat rate.
  • You will always have the opportunity to see the full amount of your purchase, including delivery charges, before you confirm your order.
  • All orders are subject to fraud checks carried out by both our merchant bank and our own fraud scoring systems.

When you place an order, you will also receive a confirmation email from us when your order is ready to ship.  From this email you will also be able to check the status of your consignment with DPD who will provide tracking information.

Why you should shop with The Headset Store ?

Our website is fully encrypted to the with the highest 256 bit security standards where our entire site enjoys full and dedicated SSL Certification for full PCI compliance. We do not store your your credit card details.

If you need help then our team are available from Monday to Thursday (between 9:00am and 5:30pm GMT) and on Friday (between 9:00am and 4:30pm GMT)

Please call us on 01675 432 123 to discuss your order and any specific delivery instructions.

Other reasons you should buy from us

  • 14 Day Satisfaction Guarantee, so you'll always find a headset you'll love
  • Genuine UK stock with 100% manufacturer warranty
  • Lowest Price Guarantee
  • No surcharges on credit cards.
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Adapt 100 Fact Sheet

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Why buy from us?

Established in 2006 and with over 42,000 business customers in the UK alone, The Headset Store are an experienced supplier of Business Headsets and are authorised resellers for Poly, Jabra, Yealink and EPOS.

We are also experts in the world of Cloud Hosted Business Phone Systems and install VoIP solutions across the UK.


  • Complete Satisfaction when you order from us
  • The Best Knowledge of Business Headsets
  • We offer Next business day delivery on all orders
  • We offer as standard a Full 12 Month Warranty


The Headset Store aim to provide the best possible service when you place an order with us.
We use Trustpilot encouraging customers to leave open and honest reviews about their experience.

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