Speedlink Comet wireless multimedia keyboard with trackball and scroll wheel function (15 multimedia keys for Windows / PS3 / PS4) (Accessories)
Speedlink SL-6495-RBK Comet Media trackball wireless keyboard black What can I say, after almost half a year the ball of the trackball was verostet and no usable function. Since I had no bill, I put a ball to be replaced by a stainless steel. Without