It looks like they were originally going to have a mic, then dropped it. It apparently has ventillation fans, a battery…and looking at its box, apparently Bluetooth support, though damned if I know what they use Bluetooth support for on a facemask.
The Zephyr can be operated entirely by its built-in buttons, but it also supports Bluetooth connectivity to control its RGB lights via the Zephyr app for Android and iOS.
googles
It looks like they were originally going to have a mic, then dropped it. It apparently has ventillation fans, a battery…and looking at its box, apparently Bluetooth support, though damned if I know what they use Bluetooth support for on a facemask.
EDIT: Ah.
https://www.theverge.com/2021/10/21/22726468/razer-zephyr-face-mask-available-features-design-safety