Sennheiser SP 20 ML are premium portable speakerphones designed for mobile business professionals for both personal and small group conferences on PC/softphone and mobile phone or tablet. Built-in cable system connects directly to PC and mobile phone or tablet. Sennheiser HD sound quality and voice clarity provide better interaction. Lightweight, streamlined styling and superb finish give a high-quality appearance. Features include dual talk function, echo canceling, music setting and protective carrying pouch.