Rejected all traditions High Sound Quality Piston Earphone Headphone Headset in-Ear Earbud with Remote & Mic for Xiaomi Smartphone(Silver) Remote and mic button functions fully compatible with Xiaomi Smartphone (M1 M1s 1s M2 M2s 2a M3 Mi3 Mi2 Hongmi Redmi Note). Also partially supports other Andriod & iOS devices (excluding the volume up/down functions). High sound quality. Style: In-ear. Popular colour plated design.