We start with the product description and characteristics. At present, almost every manufacturer meets the following requirements and functions.
Earphones should be given priority when playing games indoors, and earphones should be given priority when used in outdoor sports.
The most popular on the market in 2018 is the TWS Bluetooth Earphone.
Headphones are a pair of conversion units that receive electrical signals from a media player or receiver and use speakers close to the ear
