BETTER SOUND. LESS NOISE. MORE CONCENTRATION BENEFITS Stay productive with the freedom to move with long-range wireless DECT™ technology up to 137 m/450 ft (line of sight). Designed to make hybrid work easier and more productive with portable design, included travel case and charge cable. Plug-and-play connectivity to PC/Mac via universal USB D400 adapter. Manage all your office calls with a compatible single base that offers 3-way connectivity-computer, desk phone, and mobile. Your choice of sleek, comfortable wearing styles, mono or stereo, including a 3-in-1 convertible option (S8245).SAVI 8200 UC SERIESHybrid workers, get ready for true wireless freedom. The portable, comfortable Poly Savi 8200 UC Series headsets offer the ultimate in long-range DECT™ technology with USB plug-and-play convenience. These light, home- and office-ready headsets tune out nearby noise and keep every conversation secure, private, and clear with close conversation limiting noise cancellation. All three wearing style options are built for superior audio clarity and comfort. Now you can stay on top of your calls with dedicated mute, call answer/end and volume controls. Wherever you work, the Savi 8200 UC Series keeps you sounding your best all day long. DECT™ security-certified headset. Noise-canceling microphone with close conversation limiting. Flexible microphone boom and positioning guides (S8210/S8220). Active noise canceling (ANC) (S8220). SoundGuard DIGITAL sound leveling and acoustic limiting.