What to Look For in Bluetooth HeadphonesBluetooth headphones use a wireless communication technology that uses low power radio transmission signals to send audio. These signals are transformed into analog audio by the built-in DACs and then transmitted to the headphone drivers for output as sound waves.Before you can connect your Bluetooth headphones they must be "paired". The pairing process creates an association between the headset device and the parent device.Audio QualityBluetooth transmits audio data using radio waves with a short range, removing the necessity of cables. It can range up to 30 feet, which is ideal for use in your home. It keeps your music from cutting out as you move around rooms. It also helps to keep interference from other Bluetooth-enabled devices to an absolute minimum, so that your headphones don't become overloaded with noises that can distract you from enjoying the music.Bluetooth was not intended to be used for audio entertainment. Its limited bandwidth forces it to compress music files so that it can transmit wirelessly. This is suitable for phone calls, but it will degrade the quality of the audio.To counter this, some headphones come equipped with aptX or aptX HD audio codecs that remove the need for compression of data. This ensures a more precise and natural representation of the audio file. It is now possible to listen to high-resolution music via Bluetooth. Spotify and Apple Music, among others, support these higher-quality Bluetooth codes.The best Bluetooth headphones will at least support the basic audio format such as SBC. However there are many that will support more advanced audio formats that can meet your needs for listening. If you intend to use your headphones to stream video from YouTube or Netflix, look for an aptX low Latency or aptX High since these allow the audio to sync up with the video and provide a more immersive experience.If you're in search of the best bluetooth headphones that have excellent audio quality, the Sony WH-1000XM5 are the best choice to go. These headphones are an excellent winner of our Product of the Year award and offer a high-quality experience that rivals cannot match. They have a distinct advantage in noise cancellation too, and their app experience is among the best in its class. Bowers & Wilkins' Px7 S2 headphones have better audio quality and better design if you're willing to pay more.Easy of UseWireless headphones are an excellent alternative to wired headphones. Bluetooth is a well-established wireless technology that utilizes radio waves that are short-range to connect devices, like music players and headphones. When using Bluetooth the transmitter and receiver must be connected to a source compatible. The source encodes and sends the audio signal to a Bluetooth chip that then broadcasts it over the radio waves to the headphones.The headphones' Bluetooth receiver decodes the received signal and transforms it into an analog audio signal that can be heard. The headphone's amplifier amplifies the signal to the appropriate voltage needed to drive the speakers and create sound. The majority of Bluetooth headphones will have digital-to-analog (DAC) converters to ensure the highest quality playback.The most modern Bluetooth headphones also come with an integrated headphone amplifier to increase the output power to playback music more loudly and to reduce distortion levels. Moreover, most headphones will have a built-in microphone for hands-free calls, and some models will even support the Apple-exclusive codec aptX to provide better audio quality while streaming movies or podcasts.Some wireless headphones have internal storage for data, allowing users to store a few gigabytes of songs to playback easily without the requirement of an external audio device or connection. This is great for people who like to listen to a specific playlist or want to work out. However, the transfer and updating of songs stored in internal storage will require a cable and, if your musical preferences change, you'll need to update the music.The Bowers & Wilkins Px7 S2 headphones have been updated from their predecessors in 2020 and are now more premium than ever before, but they still offer a very comfortable fit for long listening sessions and an engaging and neutral sound that stands out in a competitive class. They come with a long battery life with fast charging, and they support the aptX Adaptive or aptX HD codes for audiophiles with sources that can support them. They're also reasonably priced and feature a smart-minimalist design.Long Battery LifeWhen you purchase headphones, a long battery life is probably one of the most important aspects to look for. You want a pair of headphones that can keep you entertained for the length of a flight, or your daily commute without having to recharge.Thankfully, most Bluetooth headsets are engineered to meet this promise. In actual fact, top picks from our ratings such as the Cleer Enduro ANC and the Sennheiser Momentum 4 Wireless over-ear headphones boast up to 60 hours of playback per charge. In our tests these headphones proved to be an excellent value, offering premium audio quality and a long list of desirable features for the price of a reasonable amount.The typical pair of Bluetooth headphones comes with a playback time of about 8 hours on a single charge. If you're seeking to extend the number of hours you can listen before having to plug them back in it is recommended to choose one that uses high-efficiency charging technology. These types of headsets typically charge in about 1.5 to 2 hours, whereas standard headsets often require up to three or four times more time to charge the same amount of juice.Additionally, the type of Bluetooth headphone you buy could also make a huge difference in battery life. Class 2 and Class 1 headsets are the two most common types. Class 2 headsets can use an maximum power of 2.5 milliwatts, whereas Class 1 headsets use up 100mW.You can also extend battery life by selecting Bluetooth headsets compatible with your mobile phone. Many phones, tablets and computers support Bluetooth connections, so you can easily locate a headset that will work with your device. You can check compatibility on the manufacturer's site or by looking through the documentation of your device.In shops that sell headphones , Bluetooth headphones were a mess. They would constantly drop out, pairing was a pain and the sound quality was like the old tin-can phone you would make when you were a kid. Bluetooth technology has advanced and the wireless headsets provide a fantastic sound quality with a wide range of features to make your phone or tablets even more useful.Noise CancellationNoise cancelling capabilities are an important feature to look for in Bluetooth headphones. The top noise cancelling headphones substantially reduce ambient noise which allows you to concentrate on your music and not be distracted by other sounds. Noise cancelling technology relies on acoustic separation, which is the use of physical barriers like ear cups or headsets to block out sounds from outside. The most advanced headsets employ multiple microphones to isolate sound from the listener's head and ears and ears, resulting in a superior audio quality.Modern headsets and headphones come with noise cancellation. You can control the amount of noise cancellation with the built-in controls, or an app. Many of them also come with the option of allowing users to hear ambient sounds this feature is helpful when you commute or work in the office.The Headphone Audio Profile (HSP) is used to transform the digital audio signal sent by the Bluetooth transmitter into analog. The HSP codec converts the digital signal into an A2DP format that is then converted into a Bluetooth UHF carrier wave and sent wirelessly to the receiver on the headset. The Bluetooth receiver decodes the modulation and uses an integrated DAC to convert the A2DP signal back into an analog audio signal which is then transmitted to the headphones' drivers.The primary distinction between RF headphones and BT is that RF can be affected by other electromagnetic transmissions, whereas BT uses Bluetooth specific frequencies. The latest Bluetooth 5.0 protocol has minimized the impact of interference however older models may be affected by other electronic devices that emit electromagnetic signals in the same frequency range.Bluetooth-enabled headsets are available in a wide range of sizes and styles, ranging from over-ear and circumaural to supra-aural and on-ear. Certain headsets, such as the Jawbone Icon XR and Plantronics Discovery 925, are designed to be a little more discreet, while others, like the Bose QuietComfort 35 II and TaoTronics SoundLiberty 79, are more boldly styled. The size and shape of a headset can be influenced by the function of the headset as well as its size, with smaller models being more comfortable and portable to wear for long durations of time.