hello, your product is really the sea ....! first use, full use device beak has warmed up and is distorted. impossible to reinsert it into the handle or put accessories on the mouthpiece of the device, thus USELESS !!! I am a faithful of AMAZON, but now I'm really disappointed that you sell products too shabby! I feel like throwing my money out the window! are you there no way to proceed to an exchange or repair sidings of the device (only the green unit) concerned? if I have to throw everything in the trash because unusable. I think it's guaranteed! I await an answer from you! Sincerely !!