SANDBERG Bluetooth Headset ANC FlexMic 80013319 126-36 Product Description: Sandberg Bluetooth Headset ANC FlexMic - headset Product Type: Headset - Bluetooth - wireless Recommended Use: Portable electronics Headphones Form Factor: Full size Connectivity Technology: Wireless Wireless Technology: Bluetooth Sound Output Mode: Stereo Audio Specifications: Frequency Response 20 - 20000 Hz - Sensitivity 110 dB +/- 3dB Impedance: 32 Ohm Active Noise Canceling: Yes Microphone: Boom Manufacturer Warranty: 5-year warranty