This is Brandon, this glow in the dark sex toy is ideal for solo play or for the adventurers looking for that fun sex toy for couples. Whether the lights are on or off, this "dildo with balls" does the job all the time. It is designed to fit most harnesses during couples play and the balls can be used as handles during solo play. The strong suction cup adds to the excitement when you don't need the use of your hands, so use Brandon alone or with your partner.