Wash before and after each use. Always use a water based lubricant with this product for maximum pleasure. Vr10-Vr12 arrive locked from the factory. To unlock, press and hold down button 1 and button 2 simultaneously. LED lights will illuminate. Repeat this procedure to lock for travel. To activate synchronous vibrating motors 1 and 2 in the stimulator and shaft, press and hold button 1. LED lights illuminate as 6 levels of intensity are achieved. To stop, tap button 2. Charging: Plug charging cord into base unit, and connect to 110/240 Volt outlet. Place massager in base unit. The LED lights on the unit will continue flashing during charge. When fully charged, LED lights will stop flashing. Unit will not operate while charging. 4 hour initial charge time is required. Cleaning: Wash with mild soap and water or toy cleaner. Dry thoroughly before storing.