Usage:-Start by putting water-based lubricant on the product for more pleasure.-Slide the vibrator into your vagina-Long press and hold the (start) button to start / Press the (~) button to choose the fit mode you want.- clean the device with water before/after use  Fun for girls:-Use it for nipples stimulation for warm-up or foreplay-Slide it into your vagina to deeply stimulate your A&G-spot meanwhile the ear part stimulates your clitoris!-Or you can slide into your anal and let the ear part stimulate your labia. -Or you also can just use the ear part to stimulate your clitoris.  Fun for boys:-Use it for nipples stimulation for warm-up or foreplay-Slide it into your anal to deeply stimulate your prostate to achieve the orgasm-Or you can just use the ear part to stimulate your testicles.-Or you can use the head part to stimulate your head of the penis  Fun for couples:-Use Double-E during foreplay to warm up-Use Double-E to stimulate his testicles or the head of his penis-Use Double-E to stimulate her nipples or clitoris-However you want to use it for fun with your loved one, it’s your call!