[What You Get]: 1. [1 PCS] MQDITH replacement microphone and [1 PCS] a mic foam cover. 2. 30 Days Worry-free replacement or refund. If there is any question, please feel free to contact us. [High-Quality]: 3.5 mm gold-plated technology jack compatible with astro mic replacement resists corrosion and noise reduction. The boom arm is made of wear-resistant, anti-interference, and long service life materials. A bendable boom arm can easily bend freely to your suitable position. [Premium Sound Quality]: Inside copper conductors cord reduce interference and enhanced signal clarity. The 3.5mm gold-plated technology jack compatible with astro microphone ensures optimum lossless 3D stereo sound quality. The windscreen prevents breath noises from entering the microphone. [Detachable Mic]: Plug and play which can be easily connected to your headset without additional driver software or external sound card. You can easily plug the gaming headset with a40 boom mic on the left or right according to your habit. [Compatibility]: This A40 microphone replacement compatible with Astro A40 A40TR gaming headset.