Newly developed (Aug 2009) large 12.5mm diameter sound driver. Stabilizer brass ring system minimizes unwanted resonance, and produces clearer mid-range. New earbud FineFit ER-CKM55 provides better seal, and sound isolation. Short cord 0.6m design ideal for use with portable players.

Contents .. Audio-Technica ath-CKM55 with 0.6m cord and gold plated stereomini plug 0.6m Extension cord with gold plated stereomini plug 4 pairs Silicone earbuds (XS, S, M, L) Pouch Supplied by Authorized Resellers in Japan. Japan Warranty 1 year on labor & parts from the day we sent your parcel. We can help you liaise with the Japan repair centre. You will pay for postages to/from our Japan office, and within Japan.   Type Seal, Dynamic Driver Size 12.5mm Frequency Response 5~24,000 Hz Sensitivity 104dB/mW Impedance 16ohm Output 200mW Cord Length, Shape 0.6m + 0.6m, Y Weight 6g Weight in Retail box 80g Standard Earbud ER-CKM55