Used IST ProEar Pressure Equalization Mask with Watertight Ear Cups - Clear / Black Underwater Digital Cameras Estimated Battery Life: Up to

Estimated Battery Life:    Up to 50 Hours Per Charge

3mm neoprene

thanks to its bendable structure

RAM of at least 64 MB or higher (recommended)

Used IST ProEar Pressure Equalization Mask with Watertight Ear Cups - Clear / Black Underwater Digital Cameras Estimated Battery Life: Up toPlease note this is a USED ITEM offer. The item will be in good working condition, may show signs of use or wear. PRODUCT DESCRIPTION Special tube and seal system automatically equalizes ear pressure as diver exhales into mask; Prevents pressure induced ear ache (barotrauma); Enhanced underwater hearing and sense of direction; Watertight ear cups keep water out to keep ears warm and prevent infection; Optical prescription lens option available in