■ Bluetooth v5.3, support most bluetooth devices and lower power consumption

■ 250mAh charging case can fully charge 2 earphones around 5 times, give you more 24 hours of music time

■ with waterproof technology, no longer need to worry about water and sweat
■ 13mm dual drive units, enjoy strong 9d deep bass music sound
■ Popular touch control function, support switch songs, phone call and subscriber voice call.