BE anything you want to be. The Body Extensions Hollow Strap-On System by Doc Johnson(R) is a unisex collection of harnesses and hollow silicone attachments designed to stimulate the body and allow penetration play regardless of the type or function of the wearer's anatomy. This high-quality 2-piece set includes an adjustable elastic and silicone harness with a built-in 10-function vibrator and one premium silicone attachment crafted to maximize the sexual pleasure and empowerment of every user. Harness Fits Waists 28" (71cm) to 48" (121cm). Controlled via wireless remote or surface buttons, Body Extensions vibrating harnesses are fully rechargeable with the included USB cable. Each product in the Body Extensions collection includes detailed instructions for care and usage.Equally Suited for All Sexes. Material: Silicone Total Length 7 inches (17.78cm) Width/Diameter 1.75 inches (4.45cm) Circumference 5.75 inches (14.61cm) Batteries 2- AAA for remote, not included. USB Rechargeable - Charging Time: 60 min. Usage Time: 50 min.