Product comes in travel lock mode. To unlock hold down + and - button for 5 seconds.<br /><br />The KEY by Jopen Charms Curve Petite Massager. This petite massager is sure to put a twinkle in your eye. Perfect for beginners&#44; bachelorette parties&#44; or pleasure on the go! Curve features 5 patterns of strong&#44; powerful vibrations. It also has a stainless alloy&#44; easy push button. This petite massager uses 1 AA battery (not included). Comes with a soft&#44; lint-free carrying pouch. 4.13 x 0.92.