This vibrating underwear by Ouch! will make you smile more than ever before. The underwear is soft and stretchy and contains a single-speed bullet. Enjoy your private secret! Specifications: - Speed modes: 1 - Batteries Included: Yes 3x LR44 - Material: ABS - Water Resistant: Yes - Phthalate free: Yes Dimensions: 4.33" x 5.91" x 1.18"