First use: 10 minutes. After this incredible uptime and this magnificent proof of durability, the product has passed away. Paf! the thermal controller! So if you have money to waste, then this beautiful ... clipboard (now this is his first role!) Is for you. Yes, because he should know that for the price, if you need to return it to the seller, it will cost you more expensive than buying another. So put a few euros more but opt for a brand that is a safe bet.