Pretty love - set of electrostimulation balls - blackthese 2 vibrating balls are equipped with 3 electric shock functions and 7 vibration modes. The remote control is easy to control with its two-button design. Start slowly as the tingling sensation builds inside until you can gradually increase the strength of the electrical stimulation. The remote control requires 2x aaa batteries (not included).Ball 1: ø 2,6 cm x 6,5 cmball 2: ø 1.8 cm x 7.8 cmplease note: this electrical stimulation ball set is intended for adult use only. To avoid the risk of injury, you must read the instructions and safety information in the enclosed manual before using the instrument for the first time.