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Most Bluetooth headsets implement both Hands-Free Profile and Headset Profile, because of the extra features in HFP for use with a mobile phone, such as last number redial, call waiting and voice dialing. The mobile phone side of an HFP link is Audio Gateway or HFP Server. The automobile side of HFP link is Car Kit or HFP Client.
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 networks (PANs).
It is a native component of Windows 10 (since version 1809) and Windows 11, where it is a UWP app and consists of a driver that communicates with the Link to Windows [6] app on the mobile device. Phone Link makes use of Wi-Fi , Bluetooth for voice calls, or mobile data .
A very common application is a hands-free Bluetooth earpiece for a phone which may be in a user's pocket. There are two types of Bluetooth headsets. Headsets using Bluetooth v1.0 or v1.1 generally consist of a single monaural earpiece, which can only access Bluetooth's headset/handsfree profile.
Headsets provide the equivalent functionality of a telephone handset with hands-free operation. Among applications for headsets, besides telephone use, are aviation, theatre or television studio intercom systems, and console or PC gaming. Headsets are made with either a single-earpiece (mono) or a double-earpiece (mono to both ears or stereo).
In Windows 8, Windows 8.1, Windows 10, Windows 11, Windows Server 2012, Windows Server 2012 R2, and Windows Server 2016, the 30-day grace period has been removed. If the operating system is not activated, there is a watermark showing the edition of Windows or a message telling the user to activate Windows on desktop.
In September 2013, the Lumia 520 became the best-selling Windows device in the world, selling more units than any other model of Windows phone, PC or tablet. [6] [7] By July 2014, the Lumia 520 has had 12 million activations, and has played a key part for Nokia and Microsoft. [8] A minor successor, the Nokia Lumia 525, was later released.
Windows 8 is a major release of the Windows NT operating system developed by Microsoft.It was released to manufacturing on August 1, 2012, made available for download via MSDN and TechNet on August 15, 2012, [6] and generally released for retail on October 26, 2012.