Brand Name: VoiceJoy
Style: Headphone
Certification: CE
Vocalism Principle: Dynamic
Origin: Mainland China
Control Button: No
Active Noise-Cancellation: Yes
Communication: WIRED
Volume Control: No
Sensitivity: 123dBdB
Wireless Type: None
Is wireless: No
Line Length: 1.8mm
Support APP: No
Function: Common Headphone
Plug Type: Line Type
Connectors: None
Model Number: office headset for C I S C O IP phone
Support Memory Card: No
Resistance: 150ΩΩ
Waterproof: No
With Microphone: Yes
Connectors: RJ9
Function: Noise Cancelling, Microphone
Time to market: 2015