Audio Technica Japan has announced the ATH-CK300 ear canal earphones. They will be available in six colors and each pair of earphones will come with XS/S/M/L sized attachments so they fit comfortably to all. The outer body is made from aluminum to keep the weight down to just 3 grams. Scheduled to go on sale in Japan from June 20 the earphones will come bundled with a carrying case for 2520 Yen ($ 25).