A U-shaped device for stimulation of, for example, the clitoris. There is a stimulation portion, which may be adjustable vibrational, or raised and lowered portions. The distance between two ends 27 of the U-shaped body is adjustable. The device may be connected to part of a users body using, for example, magnets housed in collars 22 at the ends 27 of the arms 28 of the body. Magnets of different strengths may be chosen to suit the user and control the spacing between the ends of the U-shaped body. The body width may increase between the two ends. The elongate arms of the U-shaped body may be removable from the central portion, such as by a screw thread. Vibration intensity can be controlled by remote means, and the device can be charged via USB. The body may internally comprise a thermoplastics skeleton. Also disclosed is a case to receive said device.