Smallest mobile phone version of Sony Ericsson Xmini

What you do when all the features and functions of mobile phone music beginners in a small package size of approximately 75 x 44 x 18 mm?

Sony Ericsson has introduced the latest handset Xmini. Xmini is a Walkman phone with a slider and touch-sensitive buttons are hidden. Features that include Bluetooth, the basic functions of the message, ringtone that cool, and like all Walkman player. Sony Ericsson is releasing a new Xmini in Japan at the end of this month, and this is one handset does not have a 800x480 pixel display, or 5-megapixel camera phone as the other. So what to make very special?

Sony Ericsson's handset Xmini appears as a normal Walkman phone, but when the cover is opened, will be found numeric keypad, and bring to users that are mobile. However, I have not any price to fit a small mobile phone Xmini this. The following specifications outline the handset from Sony Ericsson Xmini:
1.8 inch TFT display with 320 x 240 pixels
CDMA Connectivity
Clear stereo sound
Bluetooth
Email
4GB of internal memory
75 grams
75 x 44 x 18 mm