Specifications:

• Active Noise-Cancellation: Yes
• Brand Name: ALCTRON
• Certification: CE
• Codecs: NONE
• Communication: Wired
• Connectors: 3.5mm
• Control Button: No
• Earcups Type: Semi-open
• Frequency Response Range: 10 - 30000Hz
• Function: Monitor Headphone
• Is wireless: No
• Line Length: 2.5mm
• Model Number: HD 681B
• Origin: CN(Origin)
• Plug Type: Line Type
• Resistance: 32ΩΩ
• Sensitivity: 99dBdB
• Style: Headphone
• Support APP: No
• Support Memory Card: No
• Vocalism Principle: Dynamic
• Volume Control: No
• Waterproof: No
• Wireless Type: None
• With Microphone: No