Sony Ericsson Spiro Mobile Phone on Vodafone Pay as You Go � The Sony Ericsson Spiro on Vodafone PAYG Is a smart slider Handset with the latest of Walkman features. The best of your music can be heard, taken and distributed. You can store many of your best music tracks on this Sony Spiro Cell Phone as it comes with built in memory of 5 MB and the Micro SD Supports if you expand the memory Size up to 16 GB. Few other attracting specifications of this cell phone are the 2.0 MP camera, FM Stereo Radio, social networking sites like the Facebook and Twitter.