I have the same problem with a Compaq Computer Corp. Bluetooth Device (USB ID 049f:0086) and a Microsoft Wireless Entertainment Keyboard 7000. In addition sometimes the keyboard layout changes to english (I have a german keyboard with ö, ü and all this stuff). I have to remove the keyboard and add it again to get the german layout back…
I have the same problem with a Compaq Computer Corp. Bluetooth Device (USB ID 049f:0086) and a Microsoft Wireless Entertainment Keyboard 7000. In addition sometimes the keyboard layout changes to english (I have a german keyboard with ö, ü and all this stuff). I have to remove the keyboard and add it again to get the german layout back…
BTW, there's a related bugreport: bug 700292