Original Oppo MH135 headphones with 3.5mm jack plug. Clear and deep stereo sound. Built-in control buttons and microphone: hands-free function. Classic ear tips for a comfortable fit. Compatible with all 3.5mm jack devices. Listen to your music and make hands-free calls with these Oppo MH135 headphones with 3.5mm jack... Provides clear, deep stereo sound that immerses you in your listening experience. Lightweight and durable, they provide a comfortable and firm fit in your ears. Quick and easy control with the multi-function button: play, pause, answer or hang up a call, next song, previous song.