Description Product Type Bluetooth Speakerphone Speaker Frequency Response 250 Hz to 14 kHz Microphone Frequency Response 150 Hz to 6.5 kHz Pickup Pattern Omnidirectional Microphone Coverage 360° Active Noise Cancellation Yes Frequency Mode Wideband Wireless Technology Bluetooth 3.0 Wireless Range 300′ / 100 m Compatibility Windows Power Requirement Battery Talk Time 15 Hours Recharge Time 2 Hours LED Indicators Yes