Ivation&Trade; Adjustable Portable Laptop Desk with Dual USB-Powered Fans &ndash; Perfect as Laptop Table, Bed Tray or Book Stand &ndash; Ergonomic Design Includes Clip-On Mouse Stand Premium Aluminum Alloy Makes for Ultralight Yet Strong & Supportive Construction Adjustable Height for Lap Desk, Standing Computer Table, Bed Tray or Book Stand Patented Locking Joint Design Secures Desk in Any Desired Angle/Height Position Built-In Whisper-Quiet Fans Effectively & Efficiently Cool Your Laptop on USB Power Clip-On Mouse Stand Features Smooth Surface & Eliminates Need for Mouse Pad