Fast shipping +Free tracking number, Headphone Headset with Microphone for Computer PC Laptop Plug in standard 3.5mm audio jacks for speaker and microphone . Built-in Microphone can be swiveled and bend to fit your need, and in-line adjustable volume control . Adjustable head frame . 6.5 Feet Heavy Duty Cable Length Sensitivity: 105 dB SPL at 1kHz ... Headphone impedance: 32 Ohm ... Frequency response: 8 - 20, 000 Hz Microphone: 6X5/582DB ... Frequency: 20 - 20000HZ ... Sensitivity: 105dB ... Resistance: 30/ohm Cable length: 2 - 3M ... Max. input power: 80mW ... Interface: 3.5 ... Horn: F40mm Package Includes: 1 x Computer PC Laptop Headphone Headset Microphone Mic