Performence Parameters: Speaker Diameter: 10mm Frequency Range: 18~20000Hz Sensitvity: 116 + 3dB (at 1 KHz, 0.5rms) impedance: 32 ohms The Wire Length: 110cm
Product Features: Applicable To The 3.5 Foot Interface Of Intelligent Mobile Phone Ther Stereo Output Dynamic Combination The Built-In Mic Earphone