iSound DJ Style Headphones with included matching earbuds (white) Freq. Response: Headphones - 50Hz - 30,000kHz, Earbuds - 20Hz - 20,000kHz Maximum Power: Headphones - 20mW, Earbuds - 30mW Sensitivity: Headphones - 1193db/mv, Earbuds - 108db/mv Impedance: 32 for headphones and earbuds Cable Length: 1.2m for headphones and earbuds