Hello, We are a little confused, we have the product for a little over a month but ... Product is not Microsoft, q'importe, until now the product is top, well made, quite finished last long, only things, he is charged with are (Green) 10 minutes after it is put back on the base and it is (red), but beware of his hard time (impressed by this product). I invite you to take advantage of low prices are seen and you will not be disappointed. We highly recommend this newest product and see in the last. Hoping to have informed you, do not hesitate one second. Sincerely. Sylvie