Description:1, Bluetooth V5.0, support most of bluetooth devices and lower power consumption2, 500mAh charging case can full charge 2 earphones around 5 times, offer more 36Hours music time3, With IPX more→5 waterproof technology, no need to worry about water and sweat anymore4, 13mms dual drive units, enjoy 3D strong deep bass music sound5, Smart button control function, support switch songs, phone call and call voice assiatant.Specifications:Bluetooth version: 5.0Receiving distance: 10m (without obstacles)Charging interface: DC5V-1A Type-CCall time:About 5hPlay time:About 5hBattery capacity of the headset: 40MAHBattery capacity of the storage box:250/500MAHCan charge the headset: about 2/5 timesBattery …