The Rock Her is not only great for beginners; it is a must-have staple in any toy collection. Rock Her is discreet in size and delivers amazing power! Rock Her is equipped with a motor that has the perfect speed we like to call the "Rock You World". This high vibration setting will satisfy again and again. Choose your pleasure with the 4 different silicone caps available for different sensations of pleasure! Lasts up to 60 minutes! Requires 1 AA Battery (not included).