The ultimate multimedia headphones. Outstanding sound quality. Can be used for smartphones, computers, tablets, DJ-ing, etc. 40mm neodymium drivers for a clear sound with an exceptional full, rich bass response. The cable includes a condenser microphone with “pick up phone” and “mute” knob. Share your music with a friend: 2 headphones can be linked. Excellent wearing comfort! Specifications Headphones: Frequency Response: 10 – 20.000Hz SPL: 97dB ± 3dB at 1mW Impedance: 32Ω Weight: 200g (without cable) Specifications Microphone: Type: Omnidirectional Condenser Microphone Frequency Response: 50Hz – 18KHz Sensitivity: -62dB ± 3dB at 1 KHz Impedance: 8.2KΩ