Designed to keep him harder and longer, the vibrating cock ring is made of superior silicone to ensure a snug fit. While the ears will specially offer strong stimulation for her clitoris, get this toy and find more exciting positions with her! How to Use Switch Button * Short press the button to turn the product on or off. * Before first use, please unscrew the bullet and remove the insulation strip. Feature Material: silicone & ABS Protection grade: (silicone part) 100% waterproof; (bullet vibrator) daily waterproof Power supply: 2x LR41 battery (included) Size: (large ring) outer diameter 2"/5 cm, inner diameter 1.4"/3.6 cm; (small ring) outer diameter 1.2"/3 cm, inner diameter 0.9"/2.4cm ; total length 3.5"/8.8cm Weight: 0.92oz/26g Package list: 1x silicone sleeve; 1x bullet vibrator Notice * The actual color may vary slightly from the online image due to monitor color settings. * Please allow slight measurement deviation for the data. * Recommended to use water-based lubes only. * Silicone-based lubes will cause dissolution reaction. Packing list 1x silicone sleeve; 1x bullet vibrator