tws the new m21 wireless bluetooth headset 5.2-low delay and noise reduced stereo

new generation bluetooth 5.2 standard tws (true wireless connection) technology, binaural communication, dual stereo sound support binaural call, left and right channel separation, hifi sound quality, left and right ears have complete bluetooth function, can be used alone or matched. it is equipped with a large capacity charging box and, which can extend the battery life of the headset, facilitate customer use, and provide complex packaging dual stereo sound, 10m ultra long distance bluetooth reception, ultra long endurance, waterproof, noise reduction, comfortable wearing, running intelligent compatibility: support all mobile phones with bluetooth function, tablet, notebook, sing, q music, movies, etc..syi