Replacement 20M Astro a40 Inline Mute cable Also Work for Astro gaming Headset a10 and a40trReplacement 20M Astro a40 Inline Mute cable Also Work for Astro gaming Headset a10 and a40trFeatures of Replacement 20M Astro a40 Inline Mute cable Also Work for Astro gaming Headset a10 and a40tr Mute Function]--The 20m A40 Inline Mute cable, otherwise know..