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Related to Bluetooth wireless: Bluetooth pairing, Bluetooth headset


(protocol, standard)
A specification for short-range radio links between mobile computers, mobile phones, digital cameras, and other portable devices.
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The standard wireless network technology for short-range transmission of digital audio and data from the Bluetooth Special Interest Group (SIG). The trademarked name and logo signify genuine Bluetooth technology (for more information, visit

Using radio waves, Bluetooth transmits through walls and other non-metal barriers. Although the term is synonymous with cellphone headsets and hands-free telephony in vehicles, Bluetooth is also used for wireless speakers, keyboards, mice, game controllers, smartwatches and more (for the different categories, see Bluetooth profiles). Constantly enhanced, see Bluetooth versions for version details.

Spread Spectrum Frequency Hopping
Bluetooth is a wireless personal area network (WPAN) that continuously changes its frequency. It randomly changes to one of 79 channels 1,600 times per second in the same unlicensed 2.4 GHz band as Wi-Fi. See spread spectrum.

Scandinavian Origins
Named after ancient King Harald Blatan of Denmark, Sweden-based Ericsson developed Bluetooth and co-founded the governing body in 1998 ( Bluetooth is also an IEEE personal area network (PAN) standard (see 802.15). Supporting point-to-point and multipoint architectures (see piconet), there are billions of Bluetooth devices in use. See Bluetooth glossary.

Bluetooth = Headset
Because they are were so ubiquitous, "Bluetooth" initially became synonymous with "headset." However, Bluetooth connects many other devices.

Game Controllers
This "gamepad" from Sony uses Bluetooth to communicate with the PlayStation3 game console. See video game controller. (Image courtesy of Sony Corporation.)

Blue Teeth!!
This Oral-B toothbrush sends elapsed time to the app in the user's smartphone via Bluetooth to monitor brushing time and history.

Bluetooth Logos
The stylized "B" displayed on a modern smartphone (left) or earlier cellphone (right) means that Bluetooth has been turned on in the device.
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References in periodicals archive ?
The Bluetooth wireless technology is set to revolutionize the personal connectivity market by providing freedom from wired connections.
The G4 includes both Airport (802.11g) and Bluetooth wireless connectivity.
The Swedish communications solutions provider Ericsson expects the market for products featuring Bluetooth wireless technology to open up in the current year.
A large, 3.8-inch display, available in either color or monochrome, a selection of field-replaceable backlit keypads and integrated Bluetooth wireless communications are additional options enabling customers to select a configuration for their specific business applications.
The Motorola Razr V3 includes a camera with 4x digital zoom, MPEG4 video playback, and Bluetooth wireless technology.
Connectivity solutions provider Belkin has announced the launch of its Bluetooth Wireless Desktop.
Southwing, a supplier of Bluetooth technology, announced on 27 August that it has introduced a new Bluetooth wireless headset, the SH241, which will be exclusively distributed and retailed in the US by AT&T.
* Treo 700p smartphone users can take advantage of broadband-like EvDO speeds on their laptop computers by using the new smartphone as a wireless modern via USB or Bluetooth wireless technology.
One of the most interesting modules under development for the handhelds is a Bluetooth wireless communications module from Widecomm Inc.
(IBM) said Thursday they have set up a joint venture to provide official qualification in Japan for the use of the Bluetooth wireless technology logo.
("Wireless Internet and Data/Voice Communications") is a leading provider of Bluetooth wireless connectivity solutions.