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items - Plantronics USB Speakerphone
Headset maker Plantronics has unveiled an accessory that makes VoIP (Voice over Internet Protocol) telephony more accommodating—a new USB-attached speakerphone.
The Plantronics Calisto 420 USB Speakerphone is a nearly square box containing an omnidirectional microphone with speaker. There are volume and mute buttons and a headphone jack with option for private calls. The USB cable attaches to any computer, but if your PC is an under-desk tower, you may want to add a USB extension cable.
| Interface | USB |
| Audio | Wideband: 150 Hz to 6.8 kHz |
| Additional Features | Full duplex audio, echo cancellation, and noise reduction |
| Mic | 360° omnidirectional microphone |
| Connectors | 1x 3.5mm audio input jack |
| Buttons | Mute, Volume Up and Down |
| Ideal Application | Ideal for use with Unified Communications applications and soft phones from Avaya, Cisco, IBM and more |
| Power Requirements | Bus powered |
| System Requirements | Computer with a USB port |
| Dimensions (W x H x D) |
3.75 x 1.5 x 4.5" / 9.5 x 3.8 x 11.4cm |