Aquapac Small PDA Case You can use a stylus as normal through the clear window of the case We've added a LENZFLEX window on the back, which means that if you have a Smartphone or PDA with a camera you'll be able to take photos right through the case. Designed with an integral stylus holder. The patented Aquaclip seals the case - with a simple twist of a couple of levers. Its guaranteed submersible to 15 feet (5 metres).