Bluetooth symbol
Bluetooth. The angular B marks Bluetooth, and on a phone’s status bar it shows a Bluetooth device is connected.
How to read it
The Bluetooth logo is a bind rune: the Younger Futhark runes Hagall (ᚼ) and Bjarkan (ᛒ) merged into one, the initials of the Danish king Harald “Bluetooth” Gormsson. On a Pixel phone the Bluetooth icon appears at the top of the screen when the phone is connected to something through Bluetooth, and on an iPhone a Bluetooth battery icon shows the battery level of a paired device.
Also searched as: Bluetooth icon.
Where the name came from
According to the Bluetooth Special Interest Group, Jim Kardach of Intel suggested Bluetooth as a temporary code name at a 1996 meeting of Intel, Ericsson and Nokia. King Harald united Denmark and Norway in 958, and Kardach compared that with uniting the PC and cellular industries. It was meant to be replaced by RadioWire or PAN, but PAN was already in wide use online and a trademark search on RadioWire could not be finished in time for launch.
A trademark
The Bluetooth Special Interest Group owns the Bluetooth word mark and the figure mark, the rune logo. Companies may use them on products that have completed the Bluetooth qualification process.
Where this symbol came from
oldsymbols.comBerkananThe logo joins two runes, Hagall and Bjarkan (ᛒ), Harald Bluetooth’s initials.Write in runes
stringmash.comRune translatorThe Bluetooth logo joins two runes. Write your own name in the same alphabet.Read next
- Next in Power and device symbolsWi-Fi symbolWi-Fi. A dot with arcs spreading above it shows a device is connected to a Wi-Fi network; the more arcs are filled, the stronger the signal.
- The same shape in Smoke and CO alarm soundsLow-frequency 520 Hz alarm (sleeping rooms)A fire alarm in a sleeping room that sounds a low buzz in place of a high-pitched beep. It is the three-beep fire alarm rhythm at 520 Hz, which NFPA 72 requires of alarms provided to wake people in sleeping areas.
More power and device symbols
The same shape elsewhere
Browse symbols drawn with letters and numbers or lines.
Sources
- Bluetooth: origin of the name, Bluetooth Special Interest Group
- The Secret Histories of Those @#$%ing Computer Symbols, Bryan Gardiner, 16 August 2010, Gizmodo, Bluetooth
- Brand your product (Bluetooth trademarks), Bluetooth Special Interest Group
- Connect through Bluetooth on your Pixel phone, Google, Pixel Phone Help
- Learn the meaning of iPhone status icons, iPhone User Guide, Apple, Battery
Researched, edited and approved by Rory Hansen before publishing. Last reviewed September 26, 2026. How we research
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