Hitachi Japan has announced the HP-CN11 also known as Crystal jewelry earphone. Targeted at women the earphones will be available in 10 colors and will be encrusted with a large Swarovski crystal. It has a elliptical over shaped port which fits easily is comfortable and provides sound insulation. The unit packs in 10mm driver, frequency zone of 20Hz - 22kHz and an impedance of 16Ω. The Hitachi HP-CN11 earphones go on sale in Japan on July 25 for 2500 Yen ($ 25).