1- Adopt Ergonomic Design, Elevate Your Device To The Perfect Height, Prevent Hunchback, Relieve Neck And Shoulder Pressure, Say Goodbye To Wrist Pain. 2- Multi-Level Height Adjustable, You Can Choose The Most Comfortable Angle. Triangle Structure Makes The Stand More Stable, Stronger Bearing Capacity. And The Anti-Slip Silicone Pads Enhance Friction, Your Device Will Not Easy To Slide. 3- Small Size, Lightweight And Foldable, Easy To Carry, Not Occupy Space. The Bottom Adopts Hollowed Out Design To Enhance Air Circulation And Speed Up Heat Dissipation. Compatible With Mobile Phone, Tablet, Laptop