first they made me send a series of documents which is normal then they made me answer a question and send a video which I already did...... finally they told me that they would call me for technical support purposes from 24 to 48 hours which they have not done and now we constantly return to an email in which they ask me again for the telephone number which I already gave them to them... ignoring the previous emails that perhaps razer is not a serious company? and I who had been buying everything to enjoy my videjo games, to give you an idea 4 kepads 1 keyboard hunstman edition 2 mause pad 3 expensive mice