EDIFIER P841 Headphones HiFi Headset With MIC Stereo For Cellphone MP3 3.5mm Portable Super Bass Headband For Smartphone- White Frequency Response: 20-20kHz Impedance: 32O Features: High-quality headset for desktops, laptops, and consoles. Dimension: Drive unit type / diamet:10mm Weight: 0.25kg Electrical Outlet Plug Type: USA plug