Toshiba Satellite A55-S306 Laptop (1.50 GHz Pentium M (Centrino), 256 MB RAM, 40 GB Hard Drive, DVD/CD-RW Drive) Ideal for the mobile consumer, students and families, the lightweight PC includes the right mix of features Includes innovative software to get the job done The Satellite A55 includes an integrated Wi-Fi wireless connectivity for easy connection to the Internet at home The 6-cell main battery provides up to 3.54 hours of battery life