The B40-70 runs on Windows 8.1 Home Edition. The laptop features a 13.86 inch,Full HD LED Backlit Flat Anti-Glare Display and is powered by a 1.7 GHz processor. To enhance multi-tasking and fast speed, the company has offered a 4 GB DDR3 RAM.
Talking about the storage, the laptop uses a 500 GB,5400 (RPM) storage.There is a Bluetooth,Wi-Fi,DVD Writer,Slim and more.The laptop has a 4 Cell battery that will give enough battery life to the users.
Please Register your Warranty: http://support.lenovo.com/us/en/contactus/basewarrantyregistration, 1 Year Onsite Warranty, Warranty to be Registered within 30 Days from the Date of Purchase