Portable Vibration Speaker - Amplify Audio on Any Surface

Turn anything into a powerful, portable speaker with our Vibration Speaker. Perfect for boosting sound while on the go, this product is compact, easy to carry, and versatile. Experience the convenience of amplified audio by simply attaching the speaker to any surface. Powered by USB or AA batteries, it supports multiple devices including MP3 players, computers, and portable electronics. The sound quality varies based on the item you use, but for the best results, we recommend trying cone-shaped, hollow, cylindrical, and cardboard items. The package includes a Universal audio jack wire and USB to DC power cable for easy connectivity and charging. Size: 2.75" W x 2.75" H x 0.9375" D.