in August 2010 and it is also known as the "Pocket Edition". The PRS-350 was announced at the same time as the touch-screen PRS-650. It is Sony's smallest ereader as well as its entry-level device replacing the PRS-300 and it is priced at US$179. It has a touch screen, and two GB of Memory but lacks an SD Card Slot and does not support MP3 playback. PRS-350 specifications Size: 145 × 104.3 × 8.5mm Weight: 155 g Display: 5 inch. E Ink Pearl, touch-screen, grey scale 16-levels Resolution 600 × 800 pixels Document Search Capability Built in flash memory: 2 GB Font Size: 6 sizes (XS - XXL) Supported e-book formats: EPUB, PDF, Microsoft Word, TXT, RTF, BBeB Hi-speed micro USB Color: Pink, Silver, Blue, Red, Black Touch Edition PRS-650 The PRS-650 was launched in August 2010 and it is also known as the "Touch Edition". The PRS-650 was announced at the same time as the touch-screen PRS-350. It is Sony's mid-range device, priced at US$229. As the replacement for the PRS-600 model, it is Sony's higher-scale, touch-screen edition of the reader. It has a similar interface to the PRS-350. PRS-650 specifications Size: 168 × 118.8 × 9.6mm Weight: 215 g Display: 6 inch. E Ink Pearl, touch-screen, grey scale 16-levels Resolution 600 × 800 pixels Document Search Capability Built in flash memory: 2 GB SD card slot Memory Stick PRO Duo slot Font Size: 6 sizes (XS - XXL) Supported e-book formats: EPUB, PDF, Microsoft Word, TXT, RTF, BBeB Supported audio formats: MP3, AAC Available case colors: PRS-650BC: Black PRS-650SC: Silver PRS-650RC: Red Daily Edition PRS-950 The PRS-950 was launched in August 2010 replacing the PRS-900 and it is also known as the "Daily Edition". It was introduced as Sony's top-of-the-line device, priced at US$299. The device has a larger display (7"), 16-levels of grayscale, touch screen Wi-Fi and 3G wireless access (through AT&T Mobility in a manner similar to the Kindle's whispernet) which enables computer-free access to the Sony eBookstore in the United States. Like earlier Sony Readers the display can be oriented horizontally, enabling a landscape style mode, and adds a new mode displaying two portrait-mode pages side-by-side (in a similar fashion to viewing a book). PRS-950 specifications Size: 199.9 × 128 × 9.6mm Weight: 272 g Display: 7 inch. E Ink Pearl, touch-screen, grey scale 16-levels Resolution 600 × 1024 pixels Document Search Capability Built in