F9 Wireless Bluetooth HiFi Stereo Earbuds F9 Bluetooth Earphones TWS Headphones Wireless Headsets with Mic 2000mAh Charging Box 9D Stereo In-Ear Earbuds Sports 1, Bluetooth support most of bluetooth devices and lower power consumption 2, It can full charge 2 earphones around 8 times, offer more music time. 3, With waterproof technology, no need to worry about water and sweat anymore 4, 10mms dual drive units, enjoy 9D strong deep bass music sound 5, Popular one button control function, support switch songs, phone call and call voice assiatant. Products A, B Accessories Lists: 2* Bluetooth Earphones 1* Charging Case 1* USB Cable 1* User Manual 2* Earphone Cups(L,M Size)