Are wireless headphones available?
Yes. RF (radio frequency) and Bluetooth are the primary wireless headphone technologies now in use. Fewer infrared models are also available. Most wireless headphones ship with a USB dongle that lets the headphones communicate with an audio source. Can headphones produce surround sound? ANSWER: Some headphones are built to produce true surround sound. Whereas most headphones use one speaker in each ear piece, surround-sound models build in three or more speakers to produce front, back, center, and subwoofer sound. Are there waterproof headphones? ANSWER: A few manufacturers do make headphones meant specifically for underwater use. Typically, you can use such headphones to underwater depths of up to 10 feet. Headphone Connections What is a stereo connector? ANSWER: Also referred to as a quarter-inch plug or jack, this connection type is common in older home stereos and home-theater systems. What is a 3.5mm connector? ANSWER: Also known as a mini jack, this connector type is used on DAPs