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Wireless control and communication between a mobile phone and a handsfree headset. This was one of the earliest applications to become popular. [38] Wireless control of audio and communication functions between a mobile phone and a Bluetooth compatible car stereo system (and sometimes between the SIM card and the car phone [39] [40]).
A connected car is a car that can communicate bidirectionally with other systems outside of the car. [1] [2] This connectivity can be used to provide services to passengers (such as music, identification of local businesses, and navigation) or to support or enhance self-driving functionality (such as coordination with other cars, receiving software updates, or integration into a ride hailing ...
This is designed for cordless phones to work using Bluetooth. It is hoped that mobile phones could use a Bluetooth CTP gateway connected to a landline when within the home, and the mobile phone network when out of range. It is central to the Bluetooth SIG's "3-in-1 phone" use case.
Headphones that use cables typically have either a 1 ⁄ 4 inch (6.4 mm) or 1 ⁄ 8 inch (3.2 mm) phone jack for plugging the headphones into the audio source. Some headphones are wireless, using Bluetooth connectivity to receive the audio signal by radio waves from source devices like cellphones and digital players. [5]
Generally speaking, they are portable, employing internal or replaceable batteries, equipped with a 3.5 mm headphone jack which can be used for headphones or to connect to a boombox, shelf stereo system, or connect to car audio and home stereos wired or via a wireless connection such as Bluetooth.
Mobile players for physical media have been provided for vinyl records, 8-track tapes, cassette tapes, compact discs, and MP3s. The increased sophistication of the vehicle audio system to accommodate such media has made the audio unit a common target of car break-ins, so these are equipped with anti-theft systems too.
Headphone and earphone jacks on a wide range of equipment. 6.35 mm (1 ⁄ 4 in) plugs are common on home and professional audio equipment, while 3.5 mm plugs are nearly universal for portable audio equipment and headphones. 2.5 mm plugs are not as common, but are used on communication equipment such as cordless phones, mobile phones, and two ...
Headsets using Bluetooth v1.0 or v1.1 generally consist of a single monaural earpiece, which can only access Bluetooth's headset/handsfree profile. Depending on the phone's operating system, this type of headset will either play music at a very low quality (suitable for voice) or will be unable to play music at all.