Wireless headphones are the ones where there is no cord to connect the set with source of music. Wireless headphones come with a transmitter base which plugs into the source of audios while the headphone set comes with a built in radio amplifier and a receiver. The nomenclature wireless is reserved for sets operating on Infrared while the cordless is for ones which operate on radio waves.
Infrared limits the distance one can move with wireless headphones. Usually, it not possible to move farther then a few yards away or go to another room, but there are some versions that allow whole house coverage. Cordless headphones allow a better range of movement. When you go to buy a wireless headphone, you should look for wireless headphones which have an on board volume control. This is helpful as you will not need to return to the base unit or audio source to control volume every time. Most wireless headphones are Dolby enabled. This technology is usually not available in simpler headphones which work on cords. Dolby technology gives far better sound quality then common headphones.
While looking for wireless headphones, it is recommended to try them before buying as they need to fit well on your head. Some stores will keep them in factory packaging and will not allow you to try on the wireless headphones. If you decide to purchase them online you, try to choose a name brand that you can trust. Most wireless headphones are adjustable and universal fitting.
Wireless headphones come in different models, which weigh different. Always look for models which are lighter as you may be wearing these headphones for longer period of time.
Most wireless headphones operate on batteries. Since you may use them for long period of time, using plain batteries will be quite expensive. While buying wireless headphone set, try and get sets of rechargeable batteries so that you can recharge them and reuse over a period of time. The better brands have rechargeable batteries and just need to be replaced in the base unit for charging.
Wireless headphones are priced over a very large range. Although you may be tempted to buy the latest version, always look for the features you are getting and how you will use them. Although almost all types of wireless headphones are susceptible to some hiss, wherever the sound is digitally encoded first before transmitting, the voice quality is best.
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