China Emaiker Phone Headset with Noise Canceling Mic Rj9 One Ear Telephone Headset with Mic Jack Adapter for Panasonic Snom Grandstream Yealink T19p T20p T21p T22p T2, Find details and Price about China Telephone Headset, Noise Cancelling Headset from Emaiker Phone Headset with Noise Canceling Mic Rj9 One Ear Telephone Headset with Mic Jack Adapter for Panasonic Snom Grandstream Yealink T19p T20p T21p T22p T2