USB charge pet plaything, intelligent cat ball, automatical change direction when detect an obstacle, flat switch, one-key open-close, random rolling. A circle of colored lights in the middle effective at getting your cat’s attention, increase the cat activity frequency, is beneficial to health. Features: High hardness ABS material, wear-resistant and anti-scratching. Detachable cover, inner USB charge, convenient and energy saving. Automatical change direction when detect an obstacle. Flat switch, one-key open-close, random rolling. A circle of colored lights in the middle effective at getting your cat’s attention. Increase the cat activity frequency, is beneficial to health. Included bell and feather, buckle design, not easy to fall. Specifications: Color: White, Pink, Gray, Blue (optional) Material: ABS Charge: USB Cable Cell: 1 * Lithium Cell, 3.7V 330mAh (included) Lighting Color: Red, Multicolor Features: Detachable Cover, Wear-Resistant, Auto Direction Change, USB Charge