A mouse click is not a must and essential for peace .... households. The offers are lacking and we wonder why ... there's nothing technically complicated. However this mouse will drop you there's no doubt. That said, it is easily repairable. The side buttons will tend to break down quickly enough. This is due to the part that allows contact that breaks. It is secured by a small screw ridiculous. Then open the mouse by unscrewing under the mouse unique screws hidden by a white sticker. Then you have to pick up the piece super glue on top of the mouse. Tested and approved, the side button will be operational again.