Recently, Apple released airpods max, an active noise reduction headset, with an official price of 4399 yuan and five color options, will be officially launched on December 15. Because the price is not cheap, some netizens in order to highlight the high cost of this headset, found a strange point: no charging head. < p > < p > it is understood that airpods Max is equipped with H1 chips, and each H1 chip has 10 audio cores, so that the computational audio technology can block external noise, adjust the audio according to the fit and tightness of the ear pad, and bring the immersive scene feeling. < / P > < p > the dome of the airpods Max headband is made of fabric, which helps to disperse weight and reduce the pressure on the head. The stainless steel frame is wrapped in materials with excellent strength, elasticity and comfort. The earmuff made of anodized aluminum metal can rotate independently. < p > < p > Apple claims that the outer layer of the ear pad is covered with a special mesh fabric, while the ear pad is carefully made of acoustic memory cotton, which can gently stick to both ears. By adjusting the digital knob of the headset, you can precisely adjust the volume, skip tracks, answer calls, and even activate Siri. Press the noise control button to switch to transparent mode. The fit and fit of the pad is adaptive according to the situation. < / P > < p > it is reported that airpods Max has six external microphones to detect ambient noise. At the same time, the earphone driver uses a dual ring neodymium magnet motor, which can achieve extremely low total harmonic distortion over the entire audible range. Continue ReadingAmerican companies begin to give up R & D: who should pay for corporate research?