The head frame of the product is made of zinc alloy material, which reflects the metal texture and the reliability of the structure; the earphone shell is made of black walnut, which is made by hand, elegant and atmospheric, and has a good effect on improving the sound quality! The sheath and earmuffs are made of high-grade protein materials, which are corrosion-resistant, wear-resistant and do not hurt the skin. The earmuffs are made of slow rebound sponge, which is comfortable to wear! The product uses special diaphragm speaker to ensure the sound quality of the headset is balanced, high-resolution and minimal distortion! Amazing sound quality, stereo hifi headphone, high workmanship quality, very neutral, light, wearing comfortable. Technical parameters: Speaker Diameter: 50mm Dynamic Driver, Impedance: about 16, Sensitivity: 100dB, Frequency Response: 20Hz-20kHz, Maximum power: 2000mW, Cable length: about 2 meters, Plug: 3.5mm. Application: DJ, Audio Mixing, Recording Studio Monitoring Headphones, Pop, Rock, Rap, Metal, DJ Music Headsets Earphones. Package Content: 1x Headphone (without retail package), 1x 3.5mm Cable.