Rumbling vibrations from within the elastomer sleeve bring a sensation from another world to your hands. This is made possible with yet another TENGA engineered first: two “Vibrating Cores” housed inside the elastomer. Enjoy TENGA’s latest take on vibrating pleasure. Rechargeable. Running Time: Approx. 40min. Charging Time: Approx 90min. Vibration Modes: 5 Modes – Low / High / Pulse / Alternating / Random. Single-button controls. Press & Hold to turn ON / OFF. Press button to cycle modes. Product Body and Slide Arms are waterproof. Charging Base is NOT waterproof. Included Parts: Product Body, Slide Arms, Clear Case, Charging Base, USB Cable, two pouches of HOLE LOTION Real (2x10ml), User Manual. Materials: Product: Elastomer / PP / Li-Ion Battery / ABS / Silicone. Charging Base: ABS / Silicone Clear Case: PC. Warranty: 1 Year from Purchase Date.