Our memory foam massage pillow offers you the luxurious opportunity to enjoy a relaxing neck massage - no matter where you are. With its three-level function, you have full control over the massage, and the ergonomically shaped memory foam pillow provides optimal support and comfort. To use the massage pillow, you will need 2 AA batteries, which are not included. With a voltage of 3 V, the massage pillow is safe and easy to use.