Thanks to its flexible material, Benedict fits almost all penises and dildo shafts. It is a great toy for enjoying the vibrations on the perineum, the area between the penis/vulva and anus. Use it alone or with others. The toy is waterproof and has 5 different modes that can be combined with 5 different intensities. It has a 200mAh capacity polymer lithium battery. Charging time: about 1 hour operating time: about 2 hours vibration modes.