DANYIN BH109 3.5mm/USB Wired Business Headset Telephone Headphone with Microphone

• Hyper cardioid uni-directional mic reduces background noise to make the sound clearer

• Using 30mm neodymium boron magnet speaker to make the sound loud and powerful

• Separating multimedia line controller, easy to control

• USB2.0 version digital chip, plug and play, no driver required

• Built-in HiFi sound card chip, so that the sound more clear

• Shielded wire, resist electromagnetic interference and reduce signal transmission path loss

• Adjustable headphone body and rotatable mic

Specifications:

• Mic: 

• Dimensions: 6.0*5mm

• Directivity: signal directional

• Sensitivity: -47±3db

• Impedance: ?2.2K? 

• Speaker:

• Driver Diameter: 30mm

• Impedance: 32?

• Frequency Response: 20Hz-20kHz

• S.P.L: ?96dB±3db

• Plug: 3.5mm/USB

• Cord Length: ?2m

• Net weight: about 195g