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 than 24 Hours music time. With waterproof technology, no need to worry about water and sweat anymore. 10mm large size monomer, enjoy 9D strong deep bass music sound. Popular touch control function, support switch songs, phone call and call voice assiatant. DSP enhanced sound effect, HD call anti-interference. make communication clearer and better. Price 20$ Whatsapp 76902596/70183277
