Product comes in travel lock mode. To unlock hold down + and - button for 5 seconds.<br /><br />Surrender yourself to the luxurious KEY by Jopen Vela Massager. Draped in body safe silicone&#44; Vela envelops you in wave after wave of 7 powerful&#44; oscillating patterns. Vela is waterproof and made of body safe silicone. It also features a stainless alloy&#44; easy push button. Uses 4 AAA batteries (not included). Comes with a soft&#44; lint-free carrying pouch.