More Details: Specification: Brand Name: REMAX Model Number: RM-100H Audio Unit Parameters: Speaker Type\/Size: Moving coil Diaphragm Thickness: 16μm Frequency Response: 20-20000Hz Impedance: 32Ω Sensitivity: 105dB±3dB Distortion: ≤5% Rated Power: 20mW Max. Power: 50mW Microphone Parameters: Audio Connector: Φ3.5mm Directivity: omnidirectionality Unit Size: Φ4*1.3mm SNR: >58dB Sensitivity: -42±3dB Frequency Response: 100-10000Hz Cable Length: 1.2m Compatible With: IOS and most Android models. Package Included: 1 X REMAX RM-100H Headset 1 X AUX Wired Control Cable