Specifications:

• With Microphone: Yes
• Wireless Type: Bluetooth
• Waterproof: Yes
• Volume Control: Yes
• Vocalism Principle: Dynamic
• Support Memory Card: Yes
• Support APP: Yes
• Style: Ear Hook
• Sensitivity: 123dB
• Resistance: 9Ω
• Plug Type: wireless
• Line Length: None
• Is wireless: Yes
• Function: Sport
• Frequency Response Range: 20-20000Hz
• Control Button: Yes
• Connectors: None
• Communication: wireless
• Brand Name: SIFREE
• Active Noise-Cancellation: Yes