The #feelgoodvibe's strong multi-speed vibration is easily to adjust with the rotary knob. The original, personal quotes on the vibrators makes them perfect for each moment. The perfect size of this classic vibrator measures 17,2cm long and 2,7cm in diameter. The vibrator only needs 2 AA batteries (not included) to give you ultimate pleasure, wherever you want. The #feelgoodvibe is splashproof and phthalate free.