CONNECT SMART PHONE / PAD BY USING USB-A CONNECTOR

Specification:

Plug Model : USB A

Speaker diameter：Ф40mm

Speaker Impedance：32Ω

Speaker Frequency response: 20Hz - 20KHz

Speaker Sensitivity：110dB±3dB

Microphone Specification:9*7mm

Microphone Sensitivity : -58dB

Microphone Directivity: Omni directional

Headphones Wire Length:1.2M

LINE CONTROL: MIC ON/OFF AND VOLUME