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HP BT 200 Wireless Headphone

HP BT 200 Wireless Headphone HP BT 200 Wireless Headphone Headphones are a pair of small loudspeaker drivers worn on or around the

Trust Radium GXT-310

Trust Radium GXT-310 Gaming Headset


Headphones are a pair of small loudspeaker drivers worn on or around the head over a user’s ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. It let a single user listen to an audio source privately, in contrast to a loudspeaker. Which emits sound into the open air for anyone nearby to hear. These are also known as earspeakers, earphones or, colloquiallycans.

Circumaural (‘around the ear’) and supra-aural (‘over the ear’). It use a band over the top of the head to hold the speakers in place. Another type, known as earbuds or earpieces consist of individual units that plug into the user’s ear canal. A third type are bone conduction headphones. Which typically wrap around the back of the head and rest in front of the ear canal, leaving the ear canal open. In the context of telecommunication, a headset is a combination of headphone and microphone.


It connect to a signal source such as an audio amplifierradioCD player. Portable media playermobile phonevideo game console, or electronic musical instrument, either directly using a cord. Or using wireless technology such as BluetoothDECT or FM radio. The first was developed in the late 19th century for use by telephone operators, to keep their hands free. Initially the audio quality was mediocre and a step forward was the invention of high fidelity headphones.

It exhibit a range of different audio reproduction quality capabilities. Headsets designed for telephone use typically cannot reproduce sound with the high fidelity of expensive units designed for music listening by audiophiles. That use cables typically have either a 1/4 inch (6.35mm) or 1/8 inch (3.5mm) phone jack for plugging the headphones into the audio source. Some stereo earbuds are wireless, using Bluetooth connectivity to transmit the audio signal by radio waves from source devices like cellphones and digital players.

As a result of the Walkman effect, beginning in the 1980s, it started to be used in public places such as sidewalks, grocery stores, and public transit.[6] These are also used by people in various professional contexts, such as audio engineers mixing sound for live concerts or sound recordings and DJs, who use headphones to cue up the next song without the audience hearing, aircraft pilots and call center employees. The latter two types of employees use headphones with an integrated microphone.