Branded keyboard, so a priori quality. No worries, immediately recognized under Windows XP or Seven with the small USB dongle. The buttons "Esc" and "F1" to "F12" are tiny and require a little time to adapt. Otherwise the strike is pleasant, slightly noisy though. The mouse has an on / off button. Monitor the battery life if not quenched every night? The dial is white (!) And would have deserved to be black. Otherwise this is a good purchase you will not regret, mostly sold by Amazon at this price!