Dorcel Training balls - interchangeable remote-controlled geisha balls kit 1 vibrating ball/ 5 different weights/ 16 Vibrations 16 Vibrations 5 progressive different weights 1 vibrating ball customizable program splashproof ABS balls + Phthalate-Free soft silicone running time: 1H charging time: 1h30 dimensions: 17, 5 cm x O3, 5 cm/ 13, 2 x O3, 5 cm special gift box 40 years Dorcel Limited Edition pouch USB rechargeable magnetic (USB cable included).