Full Face Snorkel Mask S/M Black

I purchased this but haven't had a chance to use it. It has only been rinsed with water with the protective film still attached.

Full-face snorkel mask with action camera mount and anti-fog function.
Snorkeling
- Color: Black
- Size: S/M
- Design: Full-face design
- Feature: Anti-fog design
- Feature: Action camera mount
- Strap: Comfort strap
- Applicable length: 3.9-4.7 inches (10-12cm)

Thank you for looking.