Brand: XYST. MPN: XYS-E3512BK. These high-fidelity, wired in-ear headphones from XYST come with an in-line remote for conveniently answering/ending calls and pausing/playing tracks. These wired earbuds are ergonomically designed for maximum comfort. And with the high-fidelity microphone, your outgoing conversations will be clear. The power button lets you answer, hang up, play, pause, next, previous song without picking up the connected phone, making it easier to use. And you can quickly access the volume control with the plus/minus switch. These Black earphones are compatible with most devices with a 3. 5 mm earbuds jack, such as MP3 players and many other devices such as smartphones, notebooks, laptops, etc. with a 3. 5 mm audio output. Sensitivity: 130 dB (±6 dB). Compatible with any device with a 3. 5 mm audio output jack, including Android and iOS smartphones; devices without a 3. 5 mm input like the iPhone 7, 8, 10, 12, 13 and Google Pixel 2 require an adapter (sold separately). 10 mm drivers. Built-in microphone with in-line controller to answer or end calls and pause or skip tracks. WARNING: California Proposition 65 Warning. This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www. P65Warnings. ca. gov. Frequency response: 8 Hz to 22 kHz for faithful sound reproduction.