Deep pulsations make this stroker one special toy for penises. Add some water-based lube, slide your self in, and let that PulsePlate technology rock your world. The Pulse Solo can be used erect or flacid, unlike fleshy strokers. Waterproof. USB rechargeable. Want to share the fun with your partner? Check out the Hot Octopuss Pulse III Duo which pulsates both inside and out for some incredible foreplay or the main event. 9 Speed Oscillator, 5 vibration modes with adjustable frequency. USB Rechargeable: 3 hour charging for 1 hour run time. Waterproof submersible. One year warranty.