Zebronics Opera 3.5mm Jack In Ear Wired Earphone with Mic, 10mm Drivers (Black)3. 5mm jack for universal compatibility with smartphones, laptops, tablets, and other devices High quality 10mm drivers for clear audio output with balanced bass and treble In ear design for a comfortable, secure fit and passive noise isolation Built in microphone for clear voice calls and hands free communication Inline multifunction button to easily manage calls and control music playback Lightweight and tangle free cable for everyday convenience