Xiaomi Piston III Youth Edition Earphone Earbuds Headset with Mic for iPhone 6 Plus 5S 5C 5 4S, iPad Air 2 Mini 3 Apple Devices, Samsung, Xiaomi, Motorola Android Devices - Black Perfect for you to listen to the music in your cell phone, answer calling etc Metal composite technology for diaphragm and better balance damping system More professional tuning mode with super fine and sophisticated design A large number of medical ear data and wearing is more comfortable Fashion flat line design, built-in kevlar fiber and more resistant to pull