Audio Technica ATH-CKM55 Earbuds - Black Built-in stabilizer reduces unwanted vibrations and delivers pure tones Comfortable, ideal-fit earpieces provide noise isolation and prevent sound leakage Gold-plated mini-plug for exceptional corrosion resistance, superb conductivity and low noise Frequency response: 5Hz - 24kHz Includes pouch, interchangeable ear tips (S/M/L), and 1m extension cord