Overview City™ Dual Mode Headphones. Amazing quality, Stunning Design, Superior Comfort. The ear-pad covers the ear completely to provide absolute sound quality as if your in your own world. Get ready for some super-bass! Features Built-in Mic. Soft Leather earpads. Unique headband width design, Premium refined contour with adjustable headband for personal preference. Specifications Colour Brown Speaker Unit 40mm Driver Sound Pressure Level 105±3dB at 1KHz Frequency Response 20 - 20,000 Hz RMS 15mW RMS Capacity 150mW Impedance 32? ±15% Connectivity 3.5mm Stereo, Cable Length: 120cm with 30cm extension cable Cable Material Braided Nylon Microphone Microphone Unit:       6*2.7mm Sensitivity:                  -58±3dB Impedance:                2.2K? Frequency Response: 30HZ to 16,000HZ