This is a good product, but Amazon should, if properly made them work, give a list of supported notebooks thanks to the tips provided with the product. There are actually 10 bits, additional (numbered I, J, K, L, M, Q, R, T, U, V) that are "options" and not rested on Amazon priori. The address of the test 59Hardware that shows the list of supported phones. [...] Otherwise, I would give a 4 star product rather well designed and well finished appearance. and 1 to Amazon for its blatant lack of information. -AdL