Given the number of settings to customize, an adjustment period is needed to really pull its full potential. The driver is not included and must be downloaded. Complete Bundle otherwise. The supplied cable is a little steep for serious use. The AA battery is removable, so use a conventional battery charger and have a ball! Indeed, autonomy is (very) low. Surely the black point of this (right) mouse. The perceived quality of the materials is excellent. Anti-slip coating, etc ... The buttons fall rather well in hand. However, the mouse is quite big, so little hands do not necessarily go enjoy ...