orsen electric full face snorkel mask, world's first co2 standard snorkel mask, sgs approved snorkeling gear for adults, anti-fog & anti-leak snorkeling mask for adults & kids with camera mount orsen <b>the upgraded version became the safest snorkel mask in the world</b><br><br> different risk of different concentration of co2:<br> co2 concentration>1%, people will feel stuffy and dizzy.<br> co2 concentration 4%-5%, people will feel breathless and nauseous.<br> co2 concentration>6%, people will feel suffocated and even cause death.<br><br> to solve the biggest problem, our r & d team created the first co2 standard snorkel mask in the world.<br> the upgraded version of the mask adopts a mode in which the air inlet and the air outlet are separated. considering that it is difficult to inhale oxygen with a traditional mask, we have assembled an oxygen extraction machine in the snorkel mask, which can extract fresh oxygen from the outside at five times the speed, so you no longer have to work hard to inhale oxygen.<br><br> <b>certification approved & recognition of well-known websites</b><br><br> the upgraded snorkel mask passed the ce and sgs test, become the world's first co2 standard mask which co2 lower than 0.29%. so many professional websites acknowledge orsen snorkel masks like divein.com, product hunt, ixbt.com, etc.<br><br> <b>other advantages:</b><br><br> ✅ anti-fog & anti-leak.<br> ✅separate inhalation and exhalation design for more safety.<br> ✅fog-free system for a clear 180-degree panoramic view.<br> ✅the camera mount is suitable for every type of action cam.<br> ✅adjustable elastic straps.<br> ✅free breathing through the nose or mouth.<br> ✅100% dry breathing tube. <br> ✅magnetic charging port. (charging port is on the top of the snorkel)<br><br> <b>size choosing:</b><br><br> measure from the bridge of your nose to your chin, if the measurement is greater than 4.8in(12cm), we recommend l. otherwise, we recommend m.<br> package includes: 1 x orsen snorkeling mask, 1x camera mount, 1 x storage bag, 2 x earplug, 1 x user manual in english, 1x nut and screw set, 1 x charging cord<br> guarantees: money-back guarantee within one year and 24 hour<br>