PRODUCT DETAILS The Gamer Wired Headphones Gaming Wired Earphone Metal HiFi Bass Stereo 3.5mm Earphone Earbud for Phone Computer Mic L Jack Magnetic offers active noise-cancellation and is certified by EARDECO. This wired earphone features a control button and semi-open earcups for a comfortable fit. With features like headphones, in-ear music sports stereo earphones, and noise-canceling technology, this headphone headset is perfect for video games, mobile phones, and outdoor activities. Made of metal and plastic, it has a frequency response range of 20 - 20000 and a resistance of 16, delivering high-quality sound. This wired headphone has 2 drivers and a sensitivity of 100, making it perfect for any audio needs.