Nimble and stable Elaborate combination of silver Aluminium panel and black plastic base make N9 in high quality more than looking stable and reliable. 6 adjustable using angles offer you the most comfort in use. Being nimbly and standing stably, it is not a conflict but a combination, and that is N9. Aluminium Panel Following the successful N8 series, N9 succeed the entire Aluminium panel, classic channels for airflow, seems the airflow is running all the time! By material more than by feeling, N9 offer the high performance in cooling, larger touch area on hot surface, faster transportation of the heat, bigger airflow to take it all away! 1+3 USB HUB 9 has 4 USB ports, one micro USB port is to connect N9 with notebook, and the other three USB ports are for external USB devices, make it more convenient for you to work with external USB devices.