Hitachi Japan has Unveiled a Crystal Jewelry earphones “HP-CN11”. Specially its targeted at women, Hitachi HP-CN11 earphone Crystal Jewelry earphone available in 10 different colors and encrusted with a large Swarovski Crystal. Hitachi HP-CN11 features 10mm drive, frequency zone of 20HZ – 22KHz and an impedance of 160. Product is available from July 25th, priced ¥2500 ($25) in Japan.