9(nine) is a mobile phone of minimal shape without uselessness. The design concept is " graceful ".Thinness is 11.5mm, and is available in the colors Black and White. The GUI theme is a monochrome. It is GUI that unites the usability to smart graphic. Screen of clock where figure in "Worth" part moves every 15 seconds. The icon in the upper part of the screen is automatically changed by every month. 9(nine) is used "W-SIM"."W-SIM" is a PHS module into which RF parts and SIM are built. It is possible to develop only the application parts for which it depended on the mobile phone vender. That means very easy to develop the mobile phone.