RJ9 4P4C Male to 3.5mm Female Adapter cable with 3.5mm Headset Jack to RJ9
£5.21
Interface: 3.5mm TRRS (Female) rj-9 4P4C (Male). Use PC Headset with most VOIP phones that have a RJ9 headset jack (Not compatible with RJ11). Adapter cable with 3.5mm Headset jack to RJ9 Desk Phones Jack forCisco and more.
