yezhou m21 standard bluetooth gaming tws earphones in-ear noise reduction ultra-long life battery compact handy personalized music sports he

tws earphone bluetooth version: 5.0 - headphone battery capacity: 30mah polymer lithium battery - charging box:200 mah - call duration: about 4 hours - listening to the song: about 4 hours tws bluetooth earphone has a good waterproof function, which can prevent water and sweat in life, so we can use it safely in rainy days. the earphones have bilateral stereo sound to experience music our bluetooth earphone is different from other ordinary earphones. we use a new color matching design to meet your fashion sense. the performance price ratio is very high..syi