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Waterproof bag has three layers of sealing chain， the mobile phone into after， willeach layer of sealing good， then folded roll， press button!

Note: in the water can not press the screen camera because of pressure. In thewater to start recording after reperfusion in the underwater filming. If you want to take a photo， can download mobile phone plug-in to do the shutter button.

The big mobile phone also can put the.

Dimensions: length 17cm width 12cm (not the seal)