Specifications:

• Frequency response: 20Hz-20KHz
• Impedance: 32
• Sensitivity: 108dB +- 3dB
• Rated power: 5mW
• Maximm input power: 15mW
• Driver size: 40mm
• Total numbers of drivers built-in: 2

Adjustable microphone:

• Frequency response: 20Hz-16KHz
• Sensitivity: -42+-3dB @ 1KHz

Others:

• Audio + microphone single jack:3.5mm
• Audio + microphone cable length: 1.2m
• 3.5mm jack Y splitter for audio and microphone
• Split single 4-pole 3.5mm jack to stereo and microphone