The Sennheiser CX 2.00G Earphones deliver an enjoyable listening experience. These earphones cover a frequency range from 17 to 20000 Hz. They have a sensitivity level of -42 dBV and an impedance level of 20 ohm, producing authentic sound. This pair of earphones is compatible with Samsung Galaxy devices. You can use their in-line remote control and microphone to adjust the volume and answer calls. What's more, these black earphones weigh 15 g.