Rechargeable vibrating duo balls. Ergonomically designed for the natural contours of a woman. Hi-tech squeeze me technology for intense vibrations on command, or manually as desired. Powerful independent dual motors with incremental speed controls. Instant on/off function. Easy to follow instructions included. Waterproof. Whisper quiet. Premium Silicone maintains and retains body heat. Unscented, non-porous, and hypoallergenic. Satin finish and virtually seamless. Sturdy retrieval cord. Rechargeable with premium Lithium Ion battery. Security travel lock. Powered by Power Bullet. 3.5x 1.25/ 9 cm x 3 cm. Comes with USB power cable. * Note: Travel bag is no longer included.