Summary: I've had 2 of these mice now. Both broke after a short while due to the big USB receiver sticking out of my laptop. Eventually I bought a new "Logitech M185 Wireless Mouse" for under £9, which is far better than this mouse. This mouse has some functional issues with the wheel. On the plus side, the mouse feels great and battery lasts long.
Summary: Had this mouse about a month. Felt heavy at first (previous wireless mouse was a tiny thing - far too small really) but soon got used to this one. Batteries should last several months. Packaging is ridiculous overkill but presumably meant for PC World display racks. Pretty happy with purchase.
Summary: This wireless mouse is the best that I have tried had one the same mouse which I bought two years ago and if it didn't land up on the floor time and time again from falling off the top of the notebook then properly would still b.