Bluetooth problem with OSX Yosemite: Magic Mouse and Keyboard

Hello everyone,

I've a problem on my MacBook Pro with Retina Display 13" (late 2013).

I've always used it plugged with an external monitor (I love double screen), magic mouse and bluetooth keyboard. On Mavericks everything was perfect with this setup.

Yesterday I installed OSX Yosemite and I've found a boring problem: my Magic Mouse and my Bluetooth Keyboard have a 0.5 second of latency, lag. This happen when the Macbook is not plugged with battery charger. When he is on charge, the problem don't exist.

I noticed this bug also on the public beta of this summer and submit the feedback.

I hoped that they fixed this before release but the bug is still here.

How can i solve this boring problem?