Apollo Alpha Stroker Alpha Stroker 1 Gray Gender Neutral. Totally self contained USB vibrating power stroker. Pressure sensitive squeeze pads to customize tightness. Removable and replaceable sleeve for easy cleaning or independent use. 30 functions of intense vibration, pulsation and escalation. Memory chip resumes last function used. Textured chamber for added sensations. Easy push button control. Removable cap for safe and clean storage. 100% waterproof. USB rechargeable. Charging cord included. LED light. Safe and pure for body and pleasure made using phthalate free materials Thermoplastic Rubber TPR sleeve, ABS plastic with polyurethane PU Cote case, Silicone decoration, buttons. Bulk weight 25.8 ounces. 10 inches by 5 inches stroker. 7.5 inches by 4 inches sleeve.