Brand Name: EDAL Control Button: Yes Active Noise-Cancellation: Yes Style: Headband Wireless Type: Bluetooth Connectors: None Communication: Wireless Vocalism Principle: Dynamic Volume Control: Yes Frequency Response Range: 20-20000Hz Function: Sport Sensitivity: 95dB Is wireless: Yes Plug Type: Wireless Codecs: NONE Support Memory Card: No With Microphone: No Model Number: Headphones Bluetooth Winter Warm Earphones Resistance: 32Ω Waterproof: Yes Line Length: None Support APP: No