Ear Buds Speaker Size: 15mm . Ear Buds Impedance: 32 . Ear Buds Speaker Sensitivity: 105dB +4dB . Ear Buds Frequency Response: 20Hz-20KHz. Ear Buds Rated Input Power: 5mW. Ear Buds Cord Length: 4. Ear Buds Plug: 3.5mm TRRS Plug. Mic Type: In-Line .Mic Sensitivity: -44dB 3dB. Mic Impedance: 2200. Mic Signal Format: Stereo.Mic Controls (Non-PCs ONLY): Play/Pause In-Line Button. Prop 65 Compliant. Warranty: 30 Days.