* 30mm Neodymium Magnet Speaker * 30mm Vibration Speaker * Vibration unit: 100hz * Frequency Response: 20 - 20,000 Hz * Impedance: 32 ohms * Sensitivity: 99db * Cable Type: OFC * Cable Length: 1.5 M * Plug Type: 3.5mm gold plated * In-line vibration lever adjustment and on/off switch * 6.3mm gold plated adaptor