The Microsoft Lumia 640 blue features a compact and fun design with a 5-inch vibrant screen sitting within the compact case. The touchscreen is responsive and bright and allows you to explore the many features of the Windows Phone OS including apps such as Microsoft Office, Skype and OneDrive. The handset has a quad-core processor to give you lots of power for multitasking and there are plenty of apps to choose from on the Windows App Store. 4G, Wi-Fi, GPS and Bluetooth give you all the connection options you need and Cortana is on hand for digital assistance using voice commands. The optical package on the Lumia 640 includes an 8-megapixel camera on the back and a 1-megapixel camera on the front for snapping selfies. Other features of the Microsoft Lumia 640 include Office 365 for editing documents and a microSD card slot for adding extra space for your music, apps and photos.