Chrome plated powerful battery operated micro massager can be worn on the tongue fingers toes or wherever using the included 3 sizes of hypoallergenic silicone bands. There is also a barbell accessory for those with pierced tongues. There are also colorful textured silicone sleeves which add variety and comfort.The Turbo TongueJoy accessory battery pack gives you over twice the power and variable speed control. This battery pack attaches to the vibrator head with a thin flexible wire and comes with two AA batteries included.The barbell made of 316 surgical stainless steel 14 gauge 0.625 in. long is designed to enhance the performance of the TongueJoy vibrating body jewelry on pierced tongues. A set of three hypoallergenic silicone elastic bands (small medium and large) allows the TongueJoy to be worn on different parts of the body.