China Emaiker Binaural Nc Corded Telephone Headset with Noise Cancelling Mic for Call Center Office Landline Phone W U10p Bottom Cable Rj9 Jack for Polycom Panasonic, Find details and Price about China Telephone Headset, Noise Cancelling Headset from Emaiker Binaural Nc Corded Telephone Headset with Noise Cancelling Mic for Call Center Office Landline Phone W U10p Bottom Cable Rj9 Jack for Polycom Panasonic