Razer has showcased a new version of the Zephyr mask called the Zephyr Pro. The Pro will cost US$50 more than the Zephyr, which cost US$99. The US$149.99 mask will feature built-in speakers and will come with 10 filters for up to 30 days of use. Razer will sell a 99-day bundle too for US$199.99, too.
https://www.notebookcheck.net/Razer-Zephyr-Pro-US-150-high-tech-mask-showcased-with-built-in-speakers.590462.0.html