Designed to fit the recessed headphone port of your Catalyst® case for iPhone 6 Plus, iPhone 6, iPhone 5/5S, iPhone 4/4S and adapt it to plug in your headphone jack greater than 6 mm or L-shaped headphone jack.
Note: Not designed for continuous underwater use such as for swimming. Waterproof rating of IP-66 when using this adapter. Only works for the new Catalyst cases for iPhone 6+, 6, 5s, 5, 4s, 4.