User Manual
Page 28
...U.S. target phone can also answer and end calls Volume Control and Microphone Mute: Controlled via USB interface when docked in the Jabra PRO base Recharge: While docked in the Jabra PRO base PC-based Configuration: All settings can be indicated by English voice tag or target-specific melody Sound Quality: DSP noise ... to 38 hours Operating Temperature Range: -10˚C to +60˚C Note: The headset features a temperature-dependant charging algorithm that prevents the battery from Jabra PRO base to 45˚C) JABRA PRO 9450 29 Up to +40˚C when charging); echo cancellation;
...U.S. target phone can also answer and end calls Volume Control and Microphone Mute: Controlled via USB interface when docked in the Jabra PRO base Recharge: While docked in the Jabra PRO base PC-based Configuration: All settings can be indicated by English voice tag or target-specific melody Sound Quality: DSP noise ... to 38 hours Operating Temperature Range: -10˚C to +60˚C Note: The headset features a temperature-dependant charging algorithm that prevents the battery from Jabra PRO base to 45˚C) JABRA PRO 9450 29 Up to +40˚C when charging); echo cancellation;