Thanko is no stranger to weird products. But their latest "strange" gadget is actually very useful. The Cooler mouse is a decent looking mouse with built-in fan that release air from the vents made on top of the mouse. As I haven't tried it I can't say for sure, but it appears a good idea to reduce sweating. With built-in fan that releases air I am sure you won't feel uncomfortable even after hours of working on your PC in summers. In all, the mouse sports five buttons with two buttons to control the amount air released. The Cooler mouse is now available in Japan for about $18. By the way if you're planning to buy one for use in summers then do give a thought to Thanko's hand-warming mouse which can be used in winters to keep your hands warm.

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