Music Appreciation/Recording-Monitoring Wired Head-Mounted! Features: Ø40mm new NdFeB driver features high sensitivity, wide response range, and large dynamic. Adopts high polymer coating diaphragm, pure bass, penetrating mids, and exquisite highs. Soft and comfortable headband and ear pads for a long time listening without stress. Ergonomic design fits different head shapes. Designed with 3 level bass adjustment function, the user can adjust the bass according to the music style to achieve the best performance. Specifications: Product Name: Professional Monitor Headphone Model Number: PRO-82 Color: Black Transducer Principle: Dynamic Driver Diameter: Ø40mm Impedance: 26Ω±15% Frequency Response: 10Hz-20KHz Sensitivity: 98±3dB at 1KHz Max. Power: 40mW Rated Power: 20mW Cable: Ø4mmX1.6m Adaptor Plug: Ø3.5mm+6.3mm Net Weight: 235(w/o cable) Package List: 1 * PRO 82 headphone 1 * Ø3.5mm to Ø6.3mm gold-plated connector 1 * Portable cloth bag 1 * 1.6m connecting cable 1 * User manual 1 * QC card 1 * Aluminum case Application: Recording monitoring, music appreciation