A sliding button mechanism includes a housing, a button, a connecting member, two resilient elements, and a printed circuit board. The housing defines a sliding slot. The button is slidably received in the sliding slot. The connecting member is secured on the button. Two resilient elements are disposed between the housing and the button provides a resilient force to the button. The printed circuit board is secured in the housing and includes at least two contact areas. The connecting member continuously and simultaneously connects to the two contact areas to achieve a continuous adjustment function.