The RO 160mm gives you more bang for your buck. Its the biggest Rocks Off vibe yet and has 7 amazing pleasure settings. Keeping the classic Rocks Off shape you all know and love just much, much bigger and with more functions to play with. Its smooth shape and texture makes it perfect for vibe virgins or veterans alike and the precision tip is ideal for clitoral, nipple or anal stimulation. There is a push button at the base which activates the vibe, simply keep on pushing to experience the 7 functions of stimulation. Waterproof too.