Bluetooth is a wireless technology that allows you to transfer information between devices, such as phones and tablets, without the need for wires. It can also be used for a variety of other applications, such as connecting speakers and headphones to your device.
To connect via Bluetooth, you first need to enable the feature on your phone or tablet. This is done in the Settings menu, or by pressing the “Menu” key on some models.
Typically, enabling Bluetooth requires a simple process called pairing, which equips the two devices with security keys and causes them to trust each other, which makes it difficult for unauthorized people to connect to your device or access your private data.
Pairing a device involves a series of steps that may differ by type and manufacturer, so be sure to check the user manual for each device you want to pair. Once the two devices are paired, they will always find each other if they’re near each other or within range of one another.
Bluetooth technology can support a variety of different radio frequency channels, including those that may be experiencing interference or other problems. In these situations, the device will dynamically choose channels that work well and avoid those that are causing problems.
This technique, known as adaptive frequency hopping, allows Bluetooth devices to operate very effectively in environments with multiple other devices operating on the same radio channel. It’s a good idea to enable this feature, especially on a smartphone or other mobile device that’s frequently in use.
Some Bluetooth devices are also able to detect other devices and automatically connect to them, depending on the device’s capabilities. This is useful for a wide variety of scenarios, such as when you’re using a headset to take a call from your cell phone, or when you’re in a car and need to connect to a Bluetooth-enabled audio device.
When a device’s discovery mode is active, it will usually show up on your device’s task bar or the Action Center, in Windows 10. The Action Center is located on the right-hand side of the taskbar and shows a list of devices that are connected to your system.
For some devices, a small icon appears next to the device’s name on the task bar and a blue circle shows up when the Bluetooth device is in pairing mode. The Bluetooth icon may be a solid color or a translucent, coloured, or light-colored triangle.
Most Bluetooth devices also come with a directional arrow that you can tap on to make it easier for other people to discover your device. Some Bluetooth-enabled devices are also capable of detecting other devices within close range, such as in a car.
Once you’ve enabled Bluetooth on your phone, you can easily access its settings by swiping down from the top of the screen, or tapping on the Bluetooth icon in the quick settings menu. On some models, the button on the bottom of the phone’s screen is also a way to quickly toggle Bluetooth.