Wireless Technology has 12 channels and works up to 30 feet. This provides reliability to ensure that your other wireless devices will not interfere with your keyboard. The built-in keypad allows multi-finger gestures without the need of installing drivers. The larger size of the touchpad (3" x 3.5") provides users with more comfort by eliminating the need for a mouse. Slim scissor-switch keys are designed to offer a quieter typing experience and faster key response. These keys provide a longer product life with up to 10 million key strokes. The keyboards light-weight, ultra-slim design makes it truly portable.