Wired headphones are attached to an audio source by a cable. The most common connectors are 6.35 mm (¼″) and 3.5 mm phone connectors. The larger 6.35 mm connector is more common on fixed location home or professional equipment. The 3.5 mm connector remains the most widely used connector for portable application today. Adapters are available for converting between 6.35 mm and 3.5 mm devices.
Available in four color options for $300, these wireless earbuds include a swanky chrome charging case that comes with a secondary pouch for safekeeping (yes, the case can get scratched up if you leave it in a bag). The case, with its built-in chargeable battery, gives you an additional three charges (it charges via USB-C). These have support for AAC and aptX and have an extended range of more than 20 meters, according to Master & Dynamic.
If you can't afford the AirPods Pro, the Anker Soundcore Liberty Air 2 is a good alternative and are a top model for making calls. Like the AirPods Pro, they do a remarkably good job of muffling ambient noise (callers said they could hear me fine even with a lot of street noise around me). While they don't have active noise canceling, they sound nearly as good, fit comfortably and their noise-isolating design passively seals out a lot of ambient noise. They only cost $100. 
Though the sound quality definitely favors the low-end, it’s not an overbearing experience. They keep the fun sound that many of us like without overdoing it—or forgetting about the mids and the highs. The treble, in particular, has good detail but they do get kind of harsh at high volume. Luckily they also get pretty loud. Just don’t crank them up too loud if you want to avoid noise-induced hearing loss.
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In-ear headphones are like earbuds but are an upgrade to them. These headphones fit into the wearer's ear canal and stay in place with the use of foam or rubber tips. These tips are available in custom sizes so they can fit each individual wearer. When a proper fit's achieved, in-ear headphones reduce outside noise and deliver sound quality at about the same level as over-ear and on-ear headphones.
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