Bluetooth MP3 players can extend the function of the player itself and an audio output device, such as a computer or stereo with speakers, are one way that a user can quickly set up an entertainment system. This system does not require that the consumer purchase wires or leave the wires in places that could cause accidents. Small Bluetooth MP3 players are also ideal for athletes, such as runners, who enjoy music when they are active but are hindered by headphones cables.
Some MP3 players, including the second-, third- and fourth-generation iPod Touch from Apple, allow users to connect to other devices that also support Bluetooth. Such devices include computers, car stereo systems and speakers, although other devices do exist. Typically, the user can rely on the speakers from these devices to stream the music on their Bluetooth-compatible audio players so that the consumer can enjoy music out loud even when the MP3 player is the only source for music.
Small MP3 players can easily fit into a pocket or purse so that they are always within reach. Because they require little space, individuals who frequently travel (and who may also own a Bluetooth-enabled laptop computer) may prefer them over larger MP3 players. Furthermore, Bluetooth connectivity requires no wired installation, permanent or otherwise, so that the user can pair her small Bluetooth MP3 player with other devices without additional hardware.
Several manufacturers offers small MP3 players that are also Bluetooth-enabled. Insignia sells a Bluetooth MP3 player under the model name NS-4V17R with a capacity of four gigabytes. This MP3 player is smaller than many of the players on the market, including the iPod Touch, with a width of 1.6-inches and a height of 3.3-inches. The player includes a screen and uses physical buttons for controls. Another option for consumers who require a small, Bluetooth MP3 player is Samsung's eight gigabyte YP-R1 MP3 player. This models measures 2-inches by 3.7-inches and supports common audio, video and image files. In addition to this, the player has a rotating touch screen.
Although the only iPod that includes native Bluetooth technology is the iPod Touch and this model is larger than the classic iPod and smaller variations, including the iPod Nano, third-party manufacturers such as Sony and Motorola have created Bluetooth adapters for iPods. These adapters interface with iPods via the USB port similar to USB dongles for computers and are relatively small in size (usually they are no wider than an iPod itself and shorter) and can add Bluetooth functionality to small iPods such as the iPod Nano. As of January 2011, adapters range in price from approximately $20 for the Motorola D650 Bluetooth iPod Adapter to $69 for Sony's Wireless Transmitter for iPod. Although this does require more size than the MP3 player itself, this solution still requires less space than an iPod Touch with integrated Bluetooth.
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