Fleshjack Go Surge Masturbator by Fleshlight Parachute Ball Stretchers The stretchy synthetic fabric moves fully submersible Battery USB The stretchy synthetic fabric moves with your body fixed vibrator None—manual only Flexibility Flexible curved silicone for body conforming fit Rigid or semi rigid design Variable depending on material Battery life 90 minutes per charge 60–75 minutes typical N A Waterproof rating IPX7 submersible IPX5 splash resistant Often water resistant only Best for All experience levels seeking customizable control Users wanting simplicity Minimalists avoiding electronics Why you'll reach for it perfectly sized for maximum mobility and intense stimulation Experiment with different rhythms and penetration depths