The sleek design of this rechargeable, silicone vibrating plug makes it a great option for beginners and more experienced players alike. You'll appreciate Ruby's smooth shape, tapered at the tip for ease of insertion plus it’s waterproof, making your aqua adventures way more exciting. The Ruby charges up (USB rechargeable--cord included) and is ready for play in two and a half hours. Three escalating vibration levels and seven pulsation patterns are easily controlled by the one-touch easy-to-reach button located on the base. With rumbly vibrations that resonate through the silicone tip, Ruby's ten settings give users so many ways to enjoy anal pleasure! Use with water-based lubricant for slippery comfort One-year warranty. 4" x 1.25" diameter.