I haven't run extensive usage tests yet, but all the usual gameplay functions seemed to work during the hour I spent with it. Why I took off two stars: One of the reasons I chose it over the competition is that it has a wired front port. I was counting on it to charge because the dock I have charges the battery through this port on the Xbox 360 controllers. However, when I put it on the dock, charging does not activate. This means that something is wrong with this interface or that only the communication part of this interface has been connected.