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You can find cordless headphone at online retailers such as BestBuy.com, Walmart.com, Amazon.com, Ebay.com, Skullcandy.com, or Target.com. Many other sites also offer cordless headphones.
it uses infrared sensors like a tv remote
Wireless headphones, sometimes called cordless headphones, are small electronic speakers that a user can wear close to his or her ears to listen to sounds provided by a device but that are not connected to the device by wires.
sorry but the only way is to get it is from the room from which it came from
Infrared (IrDA) requires direct line of sight and very short distances. It's primary use is cordless input devices.
Battery usage for wireless headphones is not prohibitive if you are using an Infrared (IR) headphone. In fact, IR headphone batteries will last quite a long time! I recently purchased a 2005 wireless IR headphone replacement from AudioVideo2go.com along with a set of batteries. The batteries lasted for 3 months - not bad, actually. The reason the batteries last so long is because they use a LED to emit infrared light. As you may know, LED's are very energy efficient. On the other hand, if your headphone or headset is an RF (Radio frequency) headphone, then it will use much more power and reduce the battery life significantly. I hope you found this answer to be useful!
You can use an infrared scope to people and animals in the dark. Warm bodies produce electromagnetic radiation, which has less energy than visible light. You can't see a deer the dark, but you can use an infrared scope to the image of a deer. The website in the related link describes how vampire bats sense the areas of their prey which contain warm blood. Learn more about infrared radiation in the related link.
An infrared keyboard is a keyboard that transmits data to the computer via an infrared receiver. In practice, these have been exceedingly rare, since the advantage of being cordless is lost if you must retain line of sight. The most [in]famous example of an infrared keyboard would probably be that of the IBM PC Jr.
These headphones came with certain sony wega tv's with built in wireless transmitters, so I don't think there is a cradle for them. If you have a pair you'd be surprised was they will sell for on a online auction site!
You put the headphone in your ears.
Yes, cordless is an adjective.
Makita offers a variety of cordless tools for a variety of purposes. These include cordless drills, cordless saws and cordless flashlights, all of which are powered by lithium ion batteries.