Pleasure owns the night. This adjustable pleasure ring provides stimulation for both partners with its variable girth and powerful vibrations. The ring itself provides pleasurable pressure around the shaft of one partner while the twin teasers stimulate the other's favorite spot with three speeds and six rhythmic patterns of powerful vibration. This wearable massager encourages exploration as you and your partner discover the perfect positions to experience the Dark Knight and all of its pleasures. Adjustable Pleasure Ring. Embrace The Darkness, Unleash Your Desire. Features Material(s): Food-grade silicone, ABS plastic Functions: 3 vibrating speeds & 6 pulsing patterns Water Resistance: Splashproof design, may be used in the shower, but do not submerge Ring Diameter: 1–1.5 in. / 2.5–3.8 cm Power: Rechargeable via Euforia USB Cord - B Run Time: 45 minutes (high) to 1 hour (low); Charge Time: 2 hours Includes: Dark Knight Adjustable Pleasure Ring, Directions Card, Magnetic USB Charging Cord Directions Before use, charge completely. Light blinks during charging and remains illuminated when charging is complete. To turn on, hold button for 3 seconds; light turns on to indicate standby mode. To cycle through speeds and pulsing patterns, push button. To turn off, hold button for 3 seconds. After 15 minutes of non-use, product will turn off to preserve battery life. For optimal battery life, ensure product is turned off when not in use and fully recharge once every 6 months. Care Wash before and after each use. For best results, use Euforia Cleansing Mist. TLC – Proper Toy Care TOY TOTES – Keep toys in separate totes to prevent melting or discoloration. Lined with Bioshield 75 to help inhibit bacteria growth so you're storing your toy in a cleaner environment. LUBRICANT – Lubricant helps the toy glide, increasing pleasure and protecting the body from tearing, chafing and discomfort. CLEANER – Using harsh soaps can break down materials and disrupt pH balance. Use proper cleansing products instead.