Material: ABS  Plastic                                                                                                                                          

Speaker：50MM                                                     

Speaker impedance: 16Ω±15%

Sensitivity: 108±3dB

Frequency range: 20Hz-20kHz

Microphone: 6.0*5.0mm

Microphone sensitivity: -38±3dB

Microphone impedance: 2.2KΩ

Microphone directionality: omnidirectional

Wire length: 2.2m

LED operating voltage: DC5V±5%

Working current ≤500mA

Headphone interface: USB+3.5MM+4Pin                                

Product size:20*19CM