QingSong Full Face Snorkel Mask for Adults & Kids Snorkeling Gear with Camera Mount 180 Degree Panoramic View Snorkel Set Anti-Fog Anti-Leak Large-X-Large 2 Pack - Black+Black Green

Please carefully read the usage guidelines to fully understand and properly use. How to Deal with Dizziness While Snorkeling and Adapt to the Snorkeling Mask 1. Before using this product for the first time it is best to receive training and guidance from a professional coach. If professional training is not available please carefully read the operating manual check the fit of the mask and ensure it is comfortable and well-fitted. Avoid overtightening to prevent facial pressure and ensure it is not too loose to avoid water leakage into the mask. Practice snorkeling in a shallow area initially. As you become more accustomed you can gradually increase your snorkeling time. Beginners are advised to take a break after 10 minutes of snorkeling while experienced snorkelers should rest after 20 minutes to replenish energy and lung capacity.