Editing Bluetooth (section)

{{Short description|Short-range wireless technology standard}}
{{for-multi|the 10th-century king|Harald Bluetooth|the fungus|Hydnellum caeruleum}} 
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{{Use dmy dates|date=April 2024}}
{{Infobox protocol
| name        = Bluetooth
| image       = Bluetooth logo (2016).svg
| image_upright = 1.15
| developer   = [[Bluetooth Special Interest Group]]
| industry    = [[Personal area network]]s 
| introdate   = {{start date and age|p=y|df=yes|1998|5|7}}
| hardware    = {{plainlist|
* [[Personal computer]]s
* [[Smartphone]]s
* [[Video game console|Gaming console]]s
* [[Audio equipment|Audio devices]]
* [[Embedded system|Embedded devices]]
* [[Key finder]]s
}}
| range       = Typically less than {{convert|10|m|sigfig=2|abbr=on}}, up to {{convert|100|m|sigfig=2|abbr=on}}.<br/>Bluetooth 5.0: {{convert|40–400|m|sigfig=1|abbr=on}}<ref name=BTrange>{{cite web|url=http://www.bluair.pl/bluetooth-range|title=Bluetooth Range: 100m, 1&nbsp;km, or 10&nbsp;km?|work=bluair.pl|access-date=4 June 2015|archive-date= 13 June 2015|archive-url=https://web.archive.org/web/20150613072937/http://www.bluair.pl/bluetooth-range|url-status=dead}}</ref><ref name="bluetooth1"/>
| website     = {{URL|https://www.bluetooth.com/|bluetooth.com}}
}}
[[Image:Plantronics Voyager Legend.JPG|thumb|A Bluetooth [[earbud]], an earphone and microphone that communicates with a cellphone using the Bluetooth protocol]]

'''Bluetooth''' is a short-range [[wireless]] technology standard that is used for exchanging data between fixed and mobile devices over short distances and building [[personal area network]]s (PANs). In the most widely used mode, transmission power is limited to 2.5 [[milliwatt]]s, giving it a very short range of up to {{convert|10|m|ft}}. It employs [[Ultra high frequency|UHF]] [[radio wave]]s in the [[ISM band]]s, from 2.402{{nbsp}}[[GHz]] to 2.48{{nbsp}}GHz.<ref name="Muller">{{cite book
 |last1        = Muller
 |first1       = Nathan J.
 |title        = Networking A to Z
 |publisher    = McGraw-Hill Professional
 |date         = 2002
 |pages        = 45–47
 |url          = https://books.google.com/books?id=0qv4KbasX7wC&q=bluetooth&pg=PA45
 |isbn         = 9780071429139
 |access-date  = 14 June 2021
|archive-date = 24 June 2021
|archive-url  = https://web.archive.org/web/20210624205933/https://books.google.com/books?id=0qv4KbasX7wC&q=bluetooth&pg=PA45
 |url-status   = live
}}</ref> It is mainly used as an alternative to wired connections to exchange files between nearby portable devices and connect [[cell phone]]s and music players with [[wireless headphone]]s, [[wireless speakers]], [[HIFI]] systems, [[car audio]] and wireless transmission between [[TVs]] and [[soundbars]].

Bluetooth is managed by the [[Bluetooth Special Interest Group]] (SIG), which has more than 35,000 member companies in the areas of telecommunication, computing, networking, and consumer electronics. The [[Institute of Electrical and Electronics Engineers|IEEE]] standardized Bluetooth as '''IEEE 802.15.1''' but no longer maintains the standard. The Bluetooth SIG oversees the development of the specification, manages the qualification program, and protects the trademarks.<ref>{{cite web |url=https://www.bluetooth.com/about-us/ |title=About us – Bluetooth Technology Website |publisher=Bluetooth.com |access-date=8 May 2019 |archive-date=26 April 2019 |archive-url=https://web.archive.org/web/20190426192848/https://www.bluetooth.com/about-us/ |url-status=live }}</ref> A manufacturer must meet [[Bluetooth Special Interest Group#Qualification|Bluetooth SIG standards]] to market it as a Bluetooth device.<ref>{{cite web |url=https://www.bluetooth.com/develop-with-bluetooth/marketing-branding/brand-enforcement-program/ |title=Brand Enforcement Program |publisher=Bluetooth.com |access-date=8 May 2019 |archive-date=20 February 2018 |archive-url=https://web.archive.org/web/20180220182035/https://www.bluetooth.com/develop-with-bluetooth/marketing-branding/brand-enforcement-program |url-status=live }}</ref> A network of [[patent]]s applies to the technology, which is licensed to individual qualifying devices. {{As of|2021}}, 4.7 billion Bluetooth [[integrated circuit]] chips are shipped annually.<ref>{{cite web |author=Federica Laricchia |url=https://www.statista.com/statistics/1220933/global-bluetooth-device-shipment-forecast/ |title=Global Bluetooth device shipments 2022 |publisher=Statista |date=31 March 2022 |accessdate=7 August 2022}}</ref> Bluetooth was first demonstrated in space in 2024, an early test envisioned to enhance [[Internet of things|IoT]] capabilities.<ref>{{Cite web |last=Paleja |first=Ameya |date=2024-05-03 |title=US achieves 1st-ever space Bluetooth link using satellites |url=https://interestingengineering.com/innovation/bluetooth-connection-space-hubble-network |access-date=2024-05-06 |website=Interesting Engineering}}</ref>

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