■ Bluetooth V5.1, support most of bluetooth devices and lower power consumption

■ 250mAh charging case can full charge 2 earphones around 5 times, offer more 24 Hours musci time

■ With waterproof technology, no need to worry about water and sweat anymore

■ 10mms dual drive units, enjoy 9D strong deep bass music sound 

■ Popular touch control function, support switch songs, phone call and call voice assiatant.