Description VIPFAN M17 In-ear Stereo Earphones with Mic High-quality Aluminum Alloy 3D Heavy Bass VIPFAN Earphones In-ear style is better for noise reduction Never miss your call when listening to music with the built-in microphone Function button: play/pause, volume+/- etc A standard 3.5mm earphone plug fits most devices with a 3.5mm jack Impedance: 32 ohms ±15% Sensitivity: 116±3dB Frequency response: 20Hz - 20KHz Connector: 3.5mm Colour - Black Compatible with: Mobile phones/Tabs/devices with a 3.5mm Audio Jack