SpeechWare 6-in-1 TableMike USB Microphone Detachable and interchangeable microphone boom (53 cm or 21") with flexible tip, for easier removal, portability and storage Industry first integrated 'Speech Equaliser (EQ)' and 'Automatic Gain Control (AGC)' or Amplifier for superior performance with Speech recognition, Voice recording and wideband or 20 kHz High Definition (HD) Voice over IP (VoIP) or Internet telephony Built-in Speaker in the base of the microphone One female USB port for connection of peripherals in the back of the base Special port for optional Foot Pedal control of the microphone.