Specifications:
 Type: Wired
 Plug model: 3.5mm
 Horn diameter: Ф40mm
 Speaker impedance: 32Ω
 Speaker frequency response: 20Hz-20KHz
 Speaker sensitivity: 110dB ±3dB
 Microphone specifications: 9 * 7mm
 Microphone sensitivity: -58dB
 Microphone directivity: Omnidirectional
 Headphone cord length: 1.2M