Sleek, elegant, and discreet. What more could you ask for? Contoured with body safe silicone and 5 intoxicating patterns, the KEY by Jopen Nyx is your key to a night of seductive sensuality. Nyx features 5 patterns of strong, powerful vibrations. This mini massager is waterproof made with body safe silicone. It also has a stainless alloy, easy push button. The Nyx uses 1 AA battery. Comes with a soft, lint-free carrying pouch. 5.04â x 1.18â .