HMV77-Sony Double Earset Headset Microphone For Sony UWP UTX Wireless V1 D11 B2
Sony V1 UTX-B2, D11 UTX-B03, D21 UTX-B40, UWP-D Series. (Compatible With Sony V1 UTX-B2, D11 UTX-B03, D21 UTX-B40, UWP-D Series etc.. Wireless). Microphone Form Factor: Face Headset. Type : Condenser Microphone.