The Cooler Master NotePal ErgoStand III is a premium ergonomic laptop cooling stand that provides 6 levels of incline for the perfect viewing or typing angle. A large, 230mm silent fan provides excellent airflow and 4-port USB hub expands device connectivity. Six (6) height settings for comfortable viewing angles. Self-lubricating fan features highest IP6X dustproof rating and stays durable for over 160,000 hours lifespan. Generates ultra-low noise, minimal vibration, and extremely low power consumption. Thanks to the new Loop Dynamic Bearing technology, the ErgoStand III is able to provide 72 cubic feet per minute of airflow at only 21 dBA, which is equivalent to the volume of a rustling leaf in a light breeze. High quality, precision-etched aluminum dial includes fan toggle (on/off) function. Removable front plate enables quick cleaning to sustain high performance. Grooves and hooks keeps wires clean and tidy while the USB hub expands one laptop port into four (4). Plug in external keyboards, mice, and other peripherals to maximize your workspace. The adjustable anti-slip holders also allow functionality for tablets and other handheld devices.