Style:In-ear Vocalism Principle:Other Active Noise-Cancellation:No Control Button:Yes Communication:Wired Volume Control:No Sensitivity:/ Is wireless:No Certification:NONE Number Of Drivers:/ Plug Type:NONE Connectors:3.5mm Model Number:3.5mm Listen Only Earpiece I Support Memory Card:No Total Harmonic Distortion:/ Wireless Type:None Max Output:/ Line Length:/ Support APP:No Function:For Hearing Aid Package List:User Manual Codecs:NONE Driver Diameter:/ Resistance:/ With Microphone:Yes Features:With Microphone EA0011582 Specifications: Condition: Brand New Item Type: Earpiece Material: plastic Color: Black Quantity: 1 Pc Features: high quality Acoustic Tube Secret Service Covert listen only Earpiece headset The discreet acoustic tube ear piece fits snugly in the ear and allows the user to hear in high noise environments and keeps incoming communication private Receive only (no transmit) 3.5 mm plug (standard headphone jack) with Acoustic Tube with metal clip Compatible Models: Most Radios with 3.5mm headset jack or Hand mic with 3.5mm headset jack Package Included: 1pc x 3.5mm Listen Only Earpiece Note: Other accessories demo in the picture is not included. Actual colors may be a little different due to different monitors. Please allow 1-5mm deviation due to manual measurement.