--Bluetooth-compatible V5.1, support most Bluetooth-compatible devices, lower power consumption.
--2000mAh charging case can charge 2 earphones about 12 times, providing more 50 hours of music time.
--With waterproof technology, no longer worry about water and sweat.
--8mm dual driver unit, enjoy the powerful and deep bass music sound of 9D.
--Popular touch function, support switching songs, calls and call voice assistant