Brand Cosonic Model CT-800 Color Black + red Material Plastic Interface Type 3.5mm length 1.8 M Impedance 32 ohm Sensitivity 58 dB Headphone Frequency Response 20~20000 Hz Microphone Frequency Response 30~16000Hz Features With artificial leather headband pad and earmuffs preventing your ears from oppression; Earmuff is filled w/ elastic sponge avoid clamping ears; Microphone handle is rotatable can be adjusted to the best angle as you like; High sensitivity noise reducing and anti-interference; Abrasion resistant Other Drive unit: 40mm; Max. power: 30mW Packing List 1 x Headphone