Specifications:

• With Microphone: Yes
• Wireless Type: bluetooth
• Waterproof: No
• Volume Control: Yes
• Vocalism Principle: Dynamic
• Support Memory Card: No
• Support APP: No
• Style: Ear Hook
• Sensitivity: 123dB
• Resistance: 9Ω
• Plug Type: wireless
• Model Number: HM1000
• Line Length: None
• Is wireless: Yes
• Function: For Mobile Phone
• Function: Common Headphone
• Frequency Response Range: 20-20000Hz
• Control Button: Yes
• Connectors: None
• Communication: wireless
• Brand Name: SIFREE
• Active Noise-Cancellation: Yes