Warranty: 1 Year Features: Stylish LED Lighting. Foam Earpads for comfort. Soft Ear Cushions for better noise isolation. Adjustable Headband. Adjustable Microphone. Long Cable for flexibility. In-line Volume Controller. Technical Specifications: Driver: 45mm Impedance: 32 Ohm Sensitivity: 105 ± 3dB Frequency Response: 20Hz – 20KHz Microphone Size: 6 × 5 mm Mic Sensitivity: -42 ± 2dB Mic Impedance: 1.1k Ohm Direction: Omni-directional Working Current: ?500mA LED Voltage: 5V ± 5%