TIANI 2 is worn internally by women while having sex, and features LELO'S exclusive SenseMotion technology, which allows users to control the sensations during lovemaking through movements of the remove. Made from soft, flexible silicone it adds a fantastic option for adventurous bedroom play : a more fulfilling feeling for her and more intensity for him for bigger shared climaxes. Superior performance with amplified signal. 50% more powerful vibrations & 8 stimulation modes. Fully waterproof & rechargeable. 1 year warranty & 10 year guarantee.