ADP-TC7X-AUD35-01- Provides 3.5mm barrel jack connector- Audio jack is at the end of a 3.5" pigtail cable extending from the rear of the adapter.- Features Internal sealing and Rubber sealing to reduce connector corrosion and jack exposure. Ability to attach without removing hand strap and no need to detach to access the battery.- Camera, Flash and IRDA window exposed.- NOT compatible with other snap on accessories or USB/Ethernet cradles- Allows access to rear facing camera.