Danniesogo Genuine Piston Ear Earphones Headset Headphones for xiaomi M3 2S 2A 100% Brand New And High Quality. Universal 3.5mm In Ear Stereo Headset with On-Off Switch. Enjoy Hands free conversations with this headset. On/Off button lets you take calls and hang up instantly. Metal material production, has the good stereo and heavy bass effect.