Stereo earphones with microphone MM-HS707BK 1 piece

Stereo earphones with a microphone for making calls and listening to music on your tablet or smartphone. The handheld switch with microphone allows you to answer calls and talk hands-free. With just one button you can turn incoming calls on/off, play/pause music, skip forward/backward, and more. You can enjoy powerful music playback with in-ear earphones that provide high sound insulation and fit snugly in your ears. It uses an aluminum housing with a luxurious feel. We use a shielded cable that is less susceptible to current noise. Comes with volume control. <Headphone section> Format: Dynamic type φ9mm (stereo) Frequency response: 20Hz to 20kHz Impedance: 21Ω Sound pressure sensitivity: 101±3dB Maximum allowable input: 5mW <Microphone section> Type: Condenser type Directivity: All (no) directivity Impedance: 2.2KΩ Input sensitivity: -42dB±3dB (0dB=1V/Pa,1KHz), -62dB±3dB (0dB=1V/ubar,1KHz) <Common specifications> Plug type: φ3.5mm 4-pole mini plug (CTIA standard compliant) Total length: approx. 1.2m Accessories: 1 set each of ear pieces (S/M/L) Compatible models: Tablets, smartphones, and computers that support φ3.5mm 4-pole mini plugs *We do not guarantee that all devices with 4-pole mini specifications will work. *Depending on the device, you may need to press and hold a button to answer or end a call. *The answer/end call buttons do not work when making Internet calls using Skype or other services. How to operate the hand switch button: Answer/end a call: Press once briefly; Play/pause music: Press once briefly; Skip forward: Press the button twice in succession; Go back: Press the button three times in succession