m1 wireless bluetooth headphone v4.1 musical stereo bluetooth earphones universal hands-bluetooth headphone for iphone 6s 7 x android

can provides long time music play, quick charge technology help you to save time delicate multi-functional button design to turn on/off, control the music play and answer calls, built-in microphone matching with smart noise reduction technology can provide clear and fluent voice call enhanced bluetooth 4.1 version provides more stable and clear music playing and calls answering ability interesting voice prompts function, indicate you earphones status, like low battery