Poly DA70 USB Audio Processor is compatible with any H-series headset. The DA70 plugs into any USB port giving you advanced audio processing, noise-canceling and echo management. By downloading Poly Spokes (free), you gain features and confidence knowing your audio device will work seamlessly with your softphone.
With a long cord you will enjoy ample length with your H-series headset attached to reach around your desk. If you need to walk away or grab a file from afar, simply unplug your headset at the quick disconnect putting your caller on hold. When you return, re-connecting the quick disconnect joins you back with your caller.