The difference between 7.1 channel earphones and ordinary earphones is as follows: 1. Ordinary earphones only have two left and right channels, while 7.1 channel earphones have front, left front, right front, left, right, left rear, right rear, and a total of 8 sound units integrated into the earphone with center and bass. 2. Compared with ordinary earphones, 7.1-channel earphones are more suitabl...

2.4GHz wireless technology is a short-distance wireless transmission technology, two-way transmission, strong anti-interference, long transmission distance (short-distance wireless technology range), and low power consumption. Bluetooth is a communication interface for short-distance wireless transmission. Bluetooth uses the FHSS (Frequency Hopping Spread Spectrum) method, which generally hops 160...