Disclosed embodiments provide a massager having at least one expandable chamber. In some embodiments, there is provided an expandable shaft chamber that is inflatable to push a stimulator towards the G-spot of the user to increase contact pressure in that area. This inflation can also allow for a hands-free experience by expanding the width of the shaft inside the vagina for a snug fit tight against the vaginal or rectum walls. In some embodiments, there is provided an expandable ring chamber that is inflatable to securely hold a massager device inside the vagina or rectum, allowing for a hands-free experience.