Sometimes the best sessions are the ones you design yourself. This egg gives you a clean, smooth vibrating surface that works wherever you put it, and because it runs off a separate controller you choose, you control exactly how much stimulation you get and how you get it. That kind of flexibility is worth something.The egg itself is ABS plastic with a metallic finish, so the surface is firm and smooth against skin, which means every vibration transmits cleanly with no softness eating up the sensation. The real trick here is the modular setup. You pick the controller separately, either a simple two-speed if you like things straightforward, or a seven-function controller if you want to cycle through pulses, waves, and patterns until you find the one that works. You can also grab a dual controller if you want to run two stimulators at once. The egg also accepts textured sleeves sold in the collection, so you can change up the physical feel on top of the vibration pattern. That is a lot of options for one compact toy.If you like having control over your experience rather than just accepting whatever a fixed toy gives you, this system makes sense. Start with the egg and one controller, see how you use it, and build from there.Product DetailsMaterial: ABS Plastic with metallic platingVibration Speeds: Compatible with 2-speed or 7-function controllers depending on controller purchasedWhat's Included: Silver egg only. Controller must be purchased separately.Compatible Controllers: SE1099203 Sterling Collection 2 Speed Controller, SE1099213 Sterling Collection 7-Function Controller, SE1099223 Sterling Collection 7-Function Dual Controller