Type: Accessories Features: snom wideband audio handset Compatible with snom 300, snom 320, snom 360, snom 370 Allows to capture more than double of the spectrum of voice frequencies that by standard phones. The audio quality can be compared to FM radio Works with the codec G.722 and can be connected to any snom phone in the 3xx family Works only if the voice stream between then phones uses the G.722 codec