No. Hop Hop Bob has its electrostimulation built in and runs it from its own rechargeable battery, so no separate stimulation current device is required.

Program 1 is a constant tingling, program 2 waves between softer and stronger tingling, program 3 is a constant pulsation, program 4 waves between softer and stronger pulsation, and program 5 alternates between tingling and pulsing. Each has 10 intensity levels, and a sixth program is labelled pelvic floor training.

The Vibe button switches vibration on and steps through the 8 vibration programs; hold it for 2 seconds to switch off. The Estim button starts the e-stim and steps through its programs, and the plus and minus buttons set the intensity. Hold the Vibe and Estim buttons together for 3 seconds to lock or unlock the keys. It ships with the key lock on, so unlock it before first use.

It is 16 cm (6.3 inches) long with the handle and 11 cm (4.3 inches) without it, with a diameter of 3.6 to 6.6 cm (1.4 to 2.6 inches).

Place the magnetic charging head of the included USB cable on the contacts. The button lights pulse while it charges and stay lit once it is full. It cannot be used while charging, and it arrives partly charged.

Clean it with a damp cloth and mild soap, use a skin-friendly disinfectant at regular intervals, and let it dry completely before using or charging it again. Use water-based lubricant only.