展开With a 180 degree field of vision, mountdog snorkel mask offers the maximum visual than the traditional mask, and it makes easier to breathe naturally through your mouth and nose. Mountdog diving mask equips with a camera mount which is compatible with go pro, akaso, apeman etc. you can easily attach your camera to capture the amazing moment. Stop water from entering the snorkel while you are underwater. Dry snorkel system at the top allows the valve to close automatically to prevent water from entering the breathing tube. Equipped with separate air-flow channels to prevent fogging.The wider silicone seal will fit your face perfectly and prevent water from leaking into the mask! If water gets into the mask, simply raise your head to allow the water to drain through the chin valve.