... RJ11 Plug Noise Cancelling Direct with RJ11 plug Binaural headphone with RJ11 plug Headset Key Features:1. Acoustic ... 4621 5410, 5420 5610, 5620 DT1, DT3, DT5 Cable & Wireless: CWB 100H, CWB 200H, CWB 500, CWB 600 Comdial: ... 16, DTH-16D, DTH-32, DTH-32D Dterm Series i Aspire NEC DT310, DT330, DT700, DT730, DT750 IP Phones ... ) Uniden: 420 and 450Binaural headohone photo: Binaural headphone with RJ11 plug