Genuine Sennheiser CX1.00 CX2.00 CX3.00 CX5.00i Enhanced Bass Earbuds Headphones For iPhone&Any Audio Source. 1x Sennheiser CX 175 headphone (New in Box). The CX 1.00 embraces Sennheiser expertise in-ear canal headphone design to ensure excellent clarity across the frequency range carefully tuning the high frequencies for a smooth, accurate reproduction with powerful yet discrete bass that still maintains great clarity in the mid range.
eBay