What to Look For in Bluetooth HeadphonesBluetooth headphones utilize a wireless communication technology that makes use of low-power radio transmission signals to send audio. These signals are converted to analog audio using the built-in DACs which then send the signals to headphone drivers to be output as sound waves.Before you can connect your Bluetooth headphones the headphones must be "paired". The process of pairing establishes an information link between the headset and the parent device.Audio QualityBluetooth uses radio waves of short-range to transmit audio data, removing the requirement for wires. It can transmit audio data up 30 feet away, which makes it ideal for use in your home. This stops music from fading out when you move between rooms. It also helps keep interference from other Bluetooth devices to a minimum, meaning your headphones won't get flooded with sounds that distract you from the music you're listening.However, Bluetooth was not originally intended for audio entertainment, and has a small bandwidth, which makes it difficult to compress data to music files that are transmitted wirelessly. This is fine for phone calls, but it could affect the quality of audio.To combat this, certain headphones come equipped with aptX or aptX HD audio codecs which can eliminate the need for data compression. This allows for a more accurate and natural representation of the audio file. It is now possible to listen to high-resolution music via Bluetooth. These superior quality Bluetooth codecs are supported by a wide variety of audio apps and music services, such as Spotify and Apple Music.The most reliable Bluetooth headphones will at least support a basic audio format like SBC. However, many will also offer more advanced audio formats that can meet your needs for listening. If you plan on using your headphones to stream video content from YouTube or Netflix choose headphones that support aptX Low Latency or aptX HD because these allow the audio to sync up with the video and offer a more immersive experience.If you're in search of the best bluetooth headphones that have excellent sound quality, then the Sony WH-1000XM5 are the way to go. These headphones are worthy winners of our Product of The Year award, and offer a premium audio experience that other headphones can't compete with. merchandise headphones is also superior and the app experience is top-quality. If you're willing more, the Bowers & Wilkins Px7 S2 headphones are a great choice with a sleek design and impressive audio quality.Easy of UseWireless headphones are an excellent alternative to corded headphones. Bluetooth is a well-established wireless technology that uses short-range radio waves to connect devices such as music players and headphones. When using Bluetooth, a receiver and transmitter must be connected to a compatible source. The source encodes the audio signal and sends it to a Bluetooth chip. The chip then broadcasts the audio over radio waves to headphones.After receiving the signal, it is decoded by the headphones' Bluetooth receiver and converted to an audio signal that listen to. Then, the headphone's audio amplifier converts the signal to a high enough voltage to drive its speakers, which creates sound. The majority of headphones using Bluetooth include digital-to-analog conversions (DACs) to ensure high-quality audio playback.The most modern Bluetooth headphones also have an integrated headphone amplifier to boost the output power to playback music more loudly and reduce distortion levels. The majority of headphones come with a microphone for hands-free calling, and some models support Apple's exclusive codec aptX, which improves the quality of audio when streaming movies or podcasts.Some wireless headphones have internal storage for data, which allows you to store music and play them without the need of an external audio device. This is perfect for people who like to listen to a particular playlist or want to work without a connection when out. Transferring and updating songs from internal storage requires the use of a cable. If your musical tastes change, you'll have to replace them.Bowers & Wilkins' Px7 S2 headphones are higher-end than their predecessors in 2020. They also have a neutral, ethereal sound that is lively and stands out in the competition. They offer a long battery life and fast charging, and include aptX Adaptive and aptX HD for audiophiles with devices that support these higher-quality Bluetooth codecs. They are also reasonably priced and sport a sleek minimalist appearance.Long Battery LifeLong battery life is among the most important things to look for when purchasing headphones. You want a pair of headphones that can keep you entertained during an extended flight or during your commute and without the need to recharge.The majority of Bluetooth headsets are designed to deliver on this promise. In actual fact, top picks from our ratings such as the Cleer Enduro ANC and the Sennheiser Momentum 4 Wireless headphones offer up to 60 hours of playback time per charge. These headphones were rated highly by our testers for their premium audio quality and a long list of features that are desirable.The typical pair of Bluetooth headphones will provide a playback time of about 8 hours on one charge. If you're looking to get the most value of your headphones, select a model that has high-efficiency charging. These kinds of headsets typically charge in about 1.5 to 2 hours, while conventional headsets can take up to three or four times more time to charge the same amount of juice.The kind of Bluetooth headphones you select can also have a significant impact on the battery life. The two most popular kinds of Bluetooth headphones are Class 2 and Class 1 headsets. Class 2 headsets typically run on the maximum of 2.5 milliwatts of power while Class 1 headsets can consume up to 100 mW of power.Another way to save on battery life is by selecting a pair of Bluetooth headsets that work with your mobile device. There are headphones that work with most smartphones as well as tablets and computers. You can check compatibility by visiting the manufacturer's website or looking through the manual for your device for instructions on how to do this.In the beginning, when there were no Bluetooth headphones connections would break constantly and pairing was a pain and audio quality was the equivalent of the old tin bottle phones you used to make when you were a child. Fortunately, Bluetooth technology has improved and wireless headsets now provide a fantastic audio experience and come with various features that make your smartphone or tablet even more useful.Noise CancellationNoise cancelling capabilities are an important feature to look for in bluetooth headphones. The most effective noise cancelling headphones greatly reduce background noise and allow you to concentrate on your music and not be distracted by the sounds around you. Noise cancelling technology is based on acoustic isolators, which uses a physical barrier such as ear cups or a headset to block out external sound waves. The most advanced headsets employ multiple microphones to block sound from a listener's ears and head and ears, resulting in a superior audio quality.Modern headsets and headphones are equipped with noise cancellation. You can control the level of noise cancellation with the built-in controls or an app. Many headsets and headphones let you hear ambient sounds, which is useful for commuting to work or working in the office.The Headphone Audio Profile (HSP) is used to convert the digital audio signal transmitted by the Bluetooth transmitter into analog. The HSP codec converts digital audio signals into an A2DP format. It is then transformed on a Bluetooth UHF carrier, and wirelessly transmitted to the headset receiver. The Bluetooth receiver detects the modulation and uses an integrated DAC to convert the A2DP signal back into an analog audio signal, which is then transmitted to the drivers of the headphones.The main difference between RF headphones and BT is that RF can be affected by other electromagnetic transmissions, whereas BT utilizes Bluetooth specific frequencies. The latest Bluetooth 5.0 protocol reduces the impact of interference. However older models could be affected by electronic devices that emit electromagnetic signals in the same frequency range.Bluetooth-enabled headphones come in a variety of sizes and styles, such as over-ear, circumaural and on-ear. Some headsets are designed to be discreet, like the Plantronics Discovery 925 and Jawbone Icon XR, while others are more flamboyant, such as the Bose QuietComfort 35 II or TaoTronics soundLiberty 79. The size and shape of a headset can be influenced by its function and size, with smaller models typically being more comfortable and portable to wear for extended periods of time.