LUXA2 M3-Air Aluminum Clamshell Design Notebook/Laptop Cooler- LCLN0003. Compatible with MacBook 13", MacBook Air 13", MacBook Pro 15". Ventilation Design- M3-Air is equipped with a 30 x 30 x 10 mm silent fan and heat absorbing materials. Clamshell design- The Silent "Slot Join Hinge" is crafted with precision and reduces M3-Air's size by folding it. M3-Air is portable and does not require the use of additional power adaptors. Durable Aluminum.