-Ergonomic design: With the sturdy engineering structure, NotePal ErgoStand offers 5 different height settings for laptop users’better viewing angle Ease the pains of neck and wrist for heavy users -Optimal cooling performance: Metal mesh surface with built-in 14cm silent fan (without fan frame) performs ultimate thermal solution Adjustable fan speed control & on-off switch adapts to various working environments -Great compatibility: Two anti-slip props with adjustable width settings design are specially for accommodating from netbook to large size notebook, including wide screen Easy front I/O port access for all types of laptops -Value-added features: USB hub for connecting to various accessories Two side handles for smart cable management Rear USB cable clips for easy cable storage