Compare Plantronics Discovery 640 Bluetooth Headset to Plantronics Blackwire C210 Headset

Enjoy simplified mobility with the ultimate Bluetooth headset ??? the Plantronics Discovery 640. With a pocket charger that gives you up to 15 hours of talk time, you stay connected like never before. Less

Catch the combination of style and comfort with the Blackwire C210 Monaural USB Headset from Plantronics®. This USB headset gives you noise-canceling microphone that limits outside noise, ensuring great audio quality and easing listener fatigue. The SoundGuard® technology provides protection against instantaneous sound spikes above 118 dB sound pressure level. Equipped with easy to use inline controls the headset features call answer-end, mute and volume and hi-fi audio with stereo sound to optimize music and video quality. Furthermore, this headset is ideal for occasional users of PC audio, video, webinars, conference calls, live PC presentations with desktop sharing, music and A/V presentations. Additionally, the digital signal processing and wideband frequency optimizes audio for more natural voice quality. Boosting a flexible headband design the Blackwire adjusts to a perfect fit and soft, swiveling ear cushions provide all day comfort during conference calls or while listening to audio. Less