write 5 articles about mobile charger technology and post them in 5 different tech blogs/forums with pr higher then 3

Hi I will give you the subject to write on,we talking about a technology product so i need a writer that have a knowledge in mobile technology. The writer will have to write 5 different articles and post them in 5 different blogs/forums that their pr is higher then 3. Each article need to be 750-1000 words. Once i will choose the worker i will let him know the specific product he need to write about. If we will be satisfied with the work it will become a monthly base work.