Realwear Pro Buds IS Hearing Protection Headphones with in-ear Microphone XR Accessories

For RealWear Navigator ? 500 Series/ Z1, HMT-1 and HMT-1Z1. Intrinsically safe (IS certified) when used with the HMT-1Z1 and Navigator-Z1

Listen to audio and communicate with others with the in-ear microphone while protecting hearing in high noise environments. The in-ear voice capture microphone works well when wearing a respirator or other PPE. Comes with replaceable medium foam tips made of premium memory foam and are 33dB NRR (Noise Reduction Rated). Designed with a custom cable length and right-angle connector.

Same hearing protection as the Probuds IS Hearing Protection Headphones (SKU 171030)?
Useful in situations where PPE, such as a respirator, prevents normal voice control?
Comes with replaceable memory foam tips (size M), 33dB NRR?
Replacement foam tips in other sizes are available separately