The Sony PRS-T1 belongs to Sony eReader family line of eBook Readers. This Sony eReader has a 152.4 mm size display with an E-Ink Pearl V220 touch screen that allows hours of easy reading. This Wi-Fi black eBook reader has a hard drive capacity of 2 GB and supports ePub, PDF, JPEG, BMP, AAC, GIF, MP3, TXT and PNG file types. With built-in Wi-Fi technology, easily connect to the Internet and access a wide array of literary resources such as newspapers, magazines and e-books through the online Sony store. This Sony eReader is compatible with Adobe DRM format, a feature that enables the user to access any online bookstore that uses it. It is powered by an Intel processor with a speed of 1 GHz. in addition, this Wi-Fi black eBook reader also features audio and microSD card expansion capabilities. The Sony PRS-T1 is compact in size and is one of the lightest in its class.