Earphones might not be as eye-catching as headphones, but they can be much more convenient. Besides their size and weight, earphones are often more resilient than headphones when dealing with moisture. This is important if you want to listen to music at the gym. Earpads can get soaked and worn with a solid sweat, and they aren't built to withstand the regular, constant friction that comes with working out. Earphones can be built to be water- and sweat-resistant, and hold up much better to activity.

We've got lists of the best cheap true wireless earbuds and best-sounding true wireless earbuds. This list is, simply, the best true wireless earbuds. Remember that to get optimal performance, the best wireless earbuds tend to need to feel comfortable with an ergonomic design and fit right, with a tight seal. If you can't get a snug fit with in-ear headphones, you'll be sadly disappointed and think you got ripped off, which is why I suggest buying from a store with a decent return policy, such as Amazon. 

Unfortunately, we as humans don’t hear perfectly. The typical human range of hearing is 20Hz-20kHz. Depending on your age or how often you’ve been subjected to loud noises (like going to concerts), you might not be able to hear everything in that range. There really isn’t any way to avoid this as we’re surrounded by loud noises and are aging by the minute, but you can prevent the worst of it.
The main difference between the AirPods Pro and the AirPods 2 with Wireless Charging Case, which used to hold this spot, is the addition of noise-canceling. They also offer a more discreet, fitted design that makes use of silicone tips to: A) keep the Pods firmly fixed to your ears during intense exercise; B) make them more pleasant to wear for extended periods; and C) create the seal that’s required for noise-canceling to function as intended.
Headphones connect to a signal source such as an audio amplifier, radio, CD player, portable media player, mobile phone, video game console, or electronic musical instrument, either directly using a cord, or using wireless technology such as Bluetooth, DECT or FM radio. The first headphones were developed in the late 19th century for use by telephone operators, to keep their hands free. Initially the audio quality was mediocre and a step forward was the invention of high fidelity headphones.[3]
Sony’s technologically advanced WH-1000xM3 are the third generation of Sony’s flagship wireless headphones (following the excellent WH-1000xM2 and MDR-1000x models) that offer top-tier noise canceling, excellent quality wireless audio, and plush comfort. This enticing combination earned the model a rare five-star rating in our initial review, and — thanks to a few notable improvements — makes the latest version the best headphones you can buy.

The other headbands and sleep masks we’ve highlighted are excellent products, but they do require wires, which can be annoying when you are trying to sleep. If you really don’t like the idea of dealing with a cable, this headband is wireless, with a battery that lasts around 10 hours. You will still need to tuck the receiver under your pillow, but it’s a good option if you need to go wire-free, especially if you like to roll over a few times before falling asleep.

For all these reasons, the AirPods Pro are a solid choice for Apple’s products, especially the iPhone.  But we’d be remiss if we didn’t point out that, in fact, every other pair of fully wireless earbuds work great with iPhones too. And you can found a pair that sound just as good as the AirPods Pro for a bit less money. It’s a big world out there, so before you just jump into the most obvious Apple pairing, we suggest shopping around a bit.
Electrostatic drivers consist of a thin, electrically charged diaphragm, typically a coated PET film membrane, suspended between two perforated metal plates (electrodes). The electrical sound signal is applied to the electrodes creating an electrical field; depending on the polarity of this field, the diaphragm is drawn towards one of the plates. Air is forced through the perforations; combined with a continuously changing electrical signal driving the membrane, a sound wave is generated. Electrostatic headphones are usually more expensive than moving-coil ones, and are comparatively uncommon. In addition, a special amplifier is required to amplify the signal to deflect the membrane, which often requires electrical potentials in the range of 100 to 1000 volts.
In early powered radios, the headphone was part of the vacuum tube's plate circuit and carried dangerous voltages. It was normally connected directly to the positive high voltage battery terminal, and the other battery terminal was securely grounded. The use of bare electrical connections meant that users could be shocked if they touched the bare headphone connections while adjusting an uncomfortable headset.