4 New Internet Headsets

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Sennheiser DW Office

You can press a button on the base of this wireless headset to switch from landline calls to Internet calls. The headset, which lasts eight hours on a full charge, can be used with a headband (weighing 1.8 ounces) or ear hook (0.8 ounces), both included. Call quality was outstanding on the mono headset, but it is not ideal for listening to music.

Cost: $349