Product comes in travel lock mode. To unlock hold down + and – button for 5 seconds.<br /><br />Key by JOPEN Halo enhancer. 5 patterns. Sililcone. Uses (1) AAA battery. Waterproof. One year warranty. Soft, lint-free pouch included. 1.25 "/3.25 cm (ring diameter). 2" x 1.75"/5.75 cm x 4.5 cm (overall). 2.25" x 1"/5.75 cm x 2.5 cm (stimulator).
