Cooler Master NotePal ErgoStand III - Premium Ergonomic Laptop Cooling Stand with Large 230mm Silent Fan, 4-Port USB Hub, and 6 Height Settings 6 ergonomic height settings for comfortable viewing angles All new fan design with ultra silent, high air pressure Loop Dynamic Bearing High quality aluminum fan speed control Removable plate for easy fan maintenance Adjustable anti-slip holders keep your laptop or tablet in place Cable management and 4 USB outputs Large 230mm Silent Fan for Effective and Quiet Cooling Performance 4-Port USB Hub for Expanded Device Connectivity Exclusive Fan Blade Design and Special Integrated Circuit Enables Whisper Quiet Operation Strong, Adjustable Laptop Support Pegs 6 Adjustable Height Settings for Optimal Viewing or Typing Angle Removable Diamond Mesh Fan Cover for Easy Cleaning High Quality Aluminum Fan Speed Dialer