Corded USB-to-headset adapter brings superior call clarity for PC calling.
Expand the connectivity options of your current Plantronics H-Series headsets with the DA40 USB adapter. With this corded USB-to-headset adapter and H-Series headset (traditionally used with a desk phone) you can now manage PC communications with superior call clarity.
Explore our solution database for answers to your questions
Instantly receive a free telephone call from a support technician
We will respond within one business day
Receive exclusive offers and promotions and be the first to learn about new products.Product registration