Speaking of earphone speakers, we have to compare it with mobile phone speakers. The earphones we use are usually close to the earphones, and the mobile phone speakers are isolated from the air for a certain distance before being sent to the ears. Therefore, the mobile phone speakers have to require sound. The bigger the…
Simply put, Bluetooth is a wireless transmission protocol, First of all, you have to select the Bluetooth on your mobile phone to be turned on, Then, select the search device. At this time, press and hold the call button on the headset for about 10 seconds. A flashing light flashes, indicating that it is turned…
Noise reduction headphones are divided into active noise reduction and passive noise reduction. What is the principle of noise-canceling headphones? Headphone manufacturers and brand ear manufacturers will explain to you: The principle of passive noise reduction headphones is naturally needless to say. By adding airtight materials such as sponge and rubber to isolate the…