Audio-Technica’s ATH-CKM50 in-ear headphones are equipped with a newly optimized direct diaphragm mount for increased fidelity and acoustic impact. These headphones are ideal for use with iPods and MP3 players. Each purchase is supplied with small, medium and large interchangeable earpieces for a comfortable, custom fit. The Audio-Technica ATH-CKM50 in-ear headphones retail for 6,730 Yen or around $80. [Product Page]