Features:

• Control Button: No
• Active Noise-Cancellation: Yes
• Style: Neckband
• Wireless Type: Bluetooth
• Connectors: USB
• Communication: Wireless
• Vocalism Principle: Dynamic
• Volume Control: No
• Frequency Response Range: 20-2000Hz
• Function: For Mobile Phone
• Function: For Internet Bar
• Function: for Video Game
• Function: Monitor Headphone
• Function: HiFi Headphone
• Function: For iPod
• Function: Sport
• Function: Common Headphone
• Sensitivity: 42±3dB
• Is wireless: Yes
• Plug Type: USB
• Support Memory Card: No
• With Microphone: Yes
• Resistance: 22Ω
• Waterproof: Yes
• Line Length: None
• Support APP: No
• Support Apt-x Device: Yes