Experience the high-quality audio you expect from Poly with a headsetthat offers PC wideband, a noise-canceling mic, and hi-fi stereo soundoptions. Dynamic EQ optimizes call quality and automatically adjusts thesettings for listening to multimedia. Ideal for managing calls Experience the high-quality audio you expect from Poly with a headset that offers PC wideband, a noise-canceling mic, and hi-fi stereo sound options. Dynamic EQ optimizes call quality and automatically adjusts the settings for listening to multimedia. Ideal for managing calls on your PC, mobile phone, or tablet combined with the comfort and durability of a corded headset for greater flexibility. Relax while you talk knowing your headset is secure- lightweight metal headband offers durability plus a custom fit. Leatherette ear cushions fold flat for easy portability.