The upcoming XPERIA range of handsets from Sony Ericsson will be built in conjunction with Taiwan's Mobinnova, which itself has recently introduced its Windows Mobile based smartphone, the ICE. It features a 3-inch touchscreen that responds to users' touch with a tactile response courtesy of Mobinnova's mobiFeel technology. The quad-band GSM handset also supports the 900MHz, 1,900MHz and 2,100MHz