The Rumbler Rumble Duo is a dual vibrator with a bulbous, rippled shaft and a flexible teaser for internal and external stimulation. Its two motors can be controlled independently, so you can adjust the shaft and teaser to your preferred intensity. The pink silicone finish feels smooth, while the waterproof design keeps cleaning simple.

• 10 vibration speeds with independently operated motors
• Body safe silicone with an IPX7 waterproof rating
• Memory chip recalls your last used speed
• Security travel lock for storage and travel

A good fit if you want adjustable dual stimulation with straightforward controls.