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the Calisto 620 features 360° full duplex audio and Bi-directional microphones that activate in the direction of the speaker's voice so callers hear you—not your background
Connect your phone to the mixer
Each of the three innovative designs in the series incorporates all-day comfort
- SoundGuard Technology
P/N: 204440-102
Plantronics .Audio 400 DSP (76921-01) 14.95 the Calisto 620 features 360°Plantronics foldable, lightweight, digitally enhanced stereo USB computer headset is perfect for the busy traveler with a laptop computer. When folded, the headset easily fits in pocket or purse. Pull the most potential from your PC audio. The unique Digital Signal Processing technology of the . Audio 400 USB headset provides bright stereo sound for music and movies. Foldable and stowable, its perfect for travelers hitting the road. When You Hit the