Boom offers 10 vibrating functions with 6 intensity levels to customize your experience. Simply dial the intensity level up or down and find the perfect rumbly mode to fit your ultimate desires. A silky-smooth feel and a convenient warming function that heats up to body temperature makes this lipstick shaped silicone vibrator a must have. Completely submersible, rechargeable with a travel lock - never leave home without it. Total measurement: 6-inches.