• Multifunctional interactive design with rotating, bouncing, and moving components to stimulate your pet's curiosity. • Made with durable materials that withstand chewing and scratching, ensuring a long lifespan. • Two play modes: irregular rocking and crazy bouncing, to keep your dog entertained. • 300mAh USB rechargeable battery, fully charges in 1.5 hours and lasts for 2.5 hours of continuous play. • Suitable for different surfaces: crazy bounce mode ideal for thin carpets or grass. • Product dimensions: 6 cm wide, 6 cm high, and 6 cm long.