wireless: No Wireless Type: None Support Memory Card: No Vocalism Principle: Dynamic Volume Control: Yes Control Button: Yes Brand Name: Suoyana Model Number: x1 Style: Headband, computer headphones Communication: Wired Use: COMPUTER, Gaming, Travel, PROFESSIONAL Function: Microphone Place of Origin: China Cord Length: 1.5m Waterproof Standard: IPX-3 Active Noise-Cancellation: No Type: Headband Headset Frequency response: 20Hz-20KHz Impedance: 32ohms Colors: Green Usage: PC/MP3/Mobilephone/Tablet/Laptop/Audio Devices Sensitivity: 93dB+/-5dB Speaker: 40mm Plug: 3.5mm Stereo Warranty: 1 Year Bluetooth Standard: None