Users can access over 6 hours of battery life on a single charge, with internal operations governed by Intel's dual-core "Atom" processor. Dual-band WiFi connectivity is built into all models, while "World-Mode" 3G is offered as an upgrade for go-anywhere internet versatility. The Chromebook also features native support of HD speaker systems and sound cards, and is fitted with a high-definition webcam for top-quality videoconferencing. External connectivity options include a 4-in-1 card reader, a single HDMI output and two USB 2.0 ports, with a full-sized keyboard specifically designed to function within the Chrome browser.