You'll need to turn off the headphone mode on the iPhone so that you can hear and enjoy sound from the device again without having headphones attached. (Jocelyn Vodnik/Demand Media). Insert a pair of headphones into the headphone jack at the top of the phone.
Definition of CATALIN. : a thermosetting plastic made of a cast phenol-formaldehyde resin and marked by high compressive strength and ready machinability.ADVERTISEMENT. formerly a U.S. registered trademark. First Known Use: 1929.efinition of CATALIN. : a thermosetting plastic made of a cast phenol-formaldehyde resin and marked by high compressive strength and ready machinability. ADVERTISEMENT. formerly a U.S. registered trademark.
Ritalin is the brand name of the drug methylphenidate hydrochloride. Doctors prescribe Ritalin to treat attention deficit hyperactivity disorder (ADHD) and a sleep disorder known as narcolepsy.italin is a stimulant medication that affects the central nervous system. It is used to treat attention deficit hyperactivity disorder (ADHD), attention deficit disorder (ADD), and narcolepsy.