Partner Box 2 includes two products designed for couples: the Royal One and the Double Joy. The Royal One is a flexible yet secure penis ring with a wide surface area, ideal for partner stimulation. The Double Joy is a flexible, U-shaped device that can be used during penetrative sex with your partner. Powered by Bluetooth technology, the Royal One and Double Joy join the ecosystem of products that connect to the award-winning, free Satisfyer Connect app, giving you the power to take control of pleasure and start your journey wherever you are. Use the Satisfyer Connect app to control your partner's devices from across the table, the room, or even the world. Made from body-safe silicone, the Royal One and Double Joy are rechargeable and waterproof (IPX7), so they're ready for any nighttime adventure you have in store! Find your perfect match with Partner Box 2. Compatible with the Satisfyer app, available for iOS and Android. Made from super-soft, extremely hygienic medical-grade silicone. Thanks to its waterproof surface (IPX7), this sex toy can be safely used in water and is easy to clean. 15-year warranty. Super strong, deep vibration. Body-safe silicone. Waterproof (IPX7). Can also be used without an app. Editable preset programs. Infinite variety of programs with the app. Quiet operation. Lithium-ion battery. Magnetic USB charging cable included. Easy to clean.