HR- STREO HEADSET WITH MICROPHONE (HR-101)

Speaker diameter: 10mm Frequency range: 18~20000Hz Sensitivity: 116 ± 3dB (at 1 KHZ, 0.5rms) Impedance: 32 ohms The wire length: 130cm Applicable to the 3.5 foot interface of intelligent mobile phone The stereo output dynamic combination The flat winding prevention The built-in mic handsfree With the volume control