What bluetooth works with iphone

How to Connect Bluetooth Devices to iPhone

Sam Costello has been writing about tech since 2000. His writing has appeared in publications such as CNN.com, PC World, InfoWord, and many others.

What to Know

• Place your iPhone and Bluetooth devices near each other and make sure both are in discovery mode.
• Tap Settings >Bluetooth, ensure that the Bluetooth toggle switch is on/green, then tap a device to pair it.
• To disconnect a Bluetooth device when you’re done using it, turn off the device or turn off Bluetooth on the iPhone.

This article explains how to connect your iPhone to Bluetooth devices. Regardless of what kind of device you pair to your iPhone, the steps are basically the same.

Preparing to Connect Bluetooth to iPhone

Place your iPhone and Bluetooth device near each other. Bluetooth’s range is a few dozen feet, so devices that are too far apart can’t connect. The technology’s theoretical limit is 33 feet, but the closer the two devices are, the better.

As a security precaution, both devices must be in a «discovery» mode, although the name for that mode varies by manufacturer and the procedure for activating it isn’t uniform. Consult your device’s user manual for specific instructions. By requiring both devices to operate in this mode to effect a pairing, you can be confident that strangers on the subway can’t secretly pair with your iPhone or AirPods.

Activate Pairing Mode on the iPhone

Tap Settings > Bluetooth and ensure that the toggle switch is green. If it is, you’ll see a list of all the devices presently paired to your phone, whether they’re active or not. Any devices placed into pairing mode will appear at the bottom of the list. Just tap it to pair it.

Some devices, like Bluetooth keyboards, may present a passcode you must enter on the device to ensure that you’ve paired the right device to the right iPhone.

These steps also apply to the iPod touch and iPad.

Disconnect Bluetooth Devices From an iPhone

It’s a good idea to disconnect a Bluetooth device from your iPhone when you’re done using it so you don’t run down the battery on either device. Either turn off the device or turn off Bluetooth on your iPhone. In iOS 7 or higher, use Control Center as a shortcut to turn Bluetooth on and off.

While Bluetooth doesn’t drain as much battery as Wi-Fi, keeping it turned off when not in use is one of the ways that you can extend the battery life of your iPhone.

If you need to keep Bluetooth on but just disconnect from a specific device:

Permanently Remove a Bluetooth Device From iPhone

If you’re not going to need to connect to a given Bluetooth device ever again, remove it from the Bluetooth menu altogether.

If the device you’re trying to permanently disconnect from is an Apple Watch, the process is slightly different. Learn all about it in How to Unpair Apple Watch and iPhone.

Why Use Bluetooth?

You may not be able to connect accessories to the iPhone using a USB port, but tons of useful devices work with the iPhone thanks to Bluetooth. While most people think of Bluetooth as the way that wireless headsets or speakers get connected to phones, it’s much more than that. Bluetooth is a general-purpose technology used with headsets, keyboards, ​car stereos, and more.​

Full iPhone Bluetooth Support Specifications

The types of Bluetooth accessories that work with the iPhone and iPod touch depends on what Bluetooth profiles are supported by iOS and the device. Profiles are specifications that both devices must both support to communicate with each other. The following Bluetooth profiles are supported by iOS:

• Advanced Audio Distribution Profile: A2DP, also known as Stereo Bluetooth, lets iOS devices send wireless audio to compatible headphones and speakers. It is supported by all iOS devices except the original iPhone.
• Audio/Video Remote Control Profile 1.4: Use AVRCP to control compatible AV equipment like TVs, receivers, and stereos. All iOS devices except the original iPhone support this profile.
• Hands-Free Profile: HFP 1.6 helps iOS devices to work with hands-free car kits and headsets. All iPhones support this.
• Human Interface Device Profile: Supports HID devices like mice, keyboards, and joysticks. Neither the original iPhone nor the iPhone 3G supports this profile.
• Message Access Profile: Mostly used for hands-free functionality in cars, MAP helps devices send messages to each other. All iPhones except the original, 3G, and 3GS support it.
• Personal Area Network: Allows connection between multiple devices using wireless networks. PAN works on all iOS devices except the original iPhone.
• Phone Book Access Profile: Use PBAP to display information from the device’s address book, a feature often used with hands-free car kits. Works on all iPhones.
• Serial Port Profile: SPP supports braille terminals on devices running iOS 4 and up.

Having problems connecting your AirPods to your iOS device or Mac? We’ve got the tips to help you solve it.

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Работа Bluetooth Айфон

Bluetooth добавляет новый уровень функциональности для вашего iPhone. Вы можете использовать приложение блокнот вместе с небольшой клавиатурой Bluetooth, беспроводную гарнитуру для звонков или набор динамиков для воспроизведения музыки во время вечеринок. Однако Bluetooth не является совершенным. Диапазон работы Bluetooth вашего iPhone, ограничен оборудованием и реальными помехами которые могут отрицательно повлиять на работу устройства даже в пределах нормального диапазона.

Bluetooth в iPhone

IPhone 4S и iPhone 5 используют Bluetooth 4.0, самой последней версии. Эти модели считаются готовыми Bluetooth устройствами, что означает, что они работают с периферийными устройствами Bluetooth относящимися к «Bluetooth Smart» и обычными периферийными устройствами Bluetooth. Если у вас есть iPhone 4, устройство использует Bluetooth 2.1 с увеличенной скоростью передачи данных, которое будет работать с большинством устройств оборудованных Bluetooth, таких как ноутбуки или базовый набор наушников Bluetooth, но не с Bluetooth смарт-устройствами.

Bluetooth 4.0

Несмотря на то что версия Bluetooth 4.0 является значительным обновлением предыдущих версий, она по-прежнему придерживается того же диапазона передачи около 30 метров. Переход на технологию сосредотачивает внимание на повышении эффективности использования энергии и более высокой максимальной скорости передачи данных. Bluetooth 4.0 также изменился в смысле сопряжения устройств. В предыдущих поколениях, Bluetooth устройств, для подключения был необходимы PIN-код. С Bluetooth 4.0, устройства могут общаться без сопряжения.

Реальные факторы

В то время как Bluetooth имеет максимальную дальность передачи около 30 метров, также нельзя исключать влияние помех от объектов вокруг вас. Если вы используете несколько устройств Bluetooth для вашего iPhone, вы можете ощутить некоторые помехи. Микроволны могут вызвать помехи, так же как и факторы окружающей среды, такие как металл, дерево или бетон. Если вы используете акустическую систему или наушники, рядом с iPhone это тоже может вызвать помехи. Если вы находились слишком далеко от iPhone, вы, вероятно, замечали некоторое звука. Аудио также передается по Bluetooth.

AirPlay как альтернатива Bluetooth

Если вы хотите улучшить качество передачи файлов рассмотрите технологию AirPlay. В то время как AirPlay не так вездесущ, как Bluetooth, он использует ваше Wi-Fi соединение для взаимодействия с устройствами, такими как динамики и устройства с AirPlay и устройствами, такими как Apple TV. Использование Wi-Fi означает большую дальность использования. Меломанам рекомендуется использовать AirPlay, поскольку она не сжимает звук, например, как Bluetooth. Тем не менее, устройства AirPlay устройства требуют наличия сети Wi-Fi, и работают только с продукцией Apple, а также стоят дороже, чем их коллеги Bluetooth.

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