Stretchy vibrating ring worn during closeness, adding continuous vibration without interrupting rhythm. Worn at the base for targeted partner stimulation - six intensity levels, four patterns, one-button control. Near-silent, 73 by 47 by 42mm, doubles as a finger vibrator. Body-safe silicone, rechargeable, IPX7 waterproof, easy to clean. About 180 minutes charges an hour of runtime. Two-year warranty.