Charging: Input: 5V 500mA using a USB-C cord (included.) Use time: Up to 50 times or approx. 120 minutes with full charge (the pump is delivered with 50% charge) Charging time: up to 1 hour at 5V 500mA LED light flashes while charging, and glows solid when fully charged. Clean & Care:The controller handle and hose can be disassembled for the ease of cleaning. Seperate the hose from the pump with a twisting motion.Always use a water-based lubricant with this product. DO NOT use silicone. Never immerse the handle in water. (Material: ABS, silicone, premium-grade acrylics.) Tips & Notes: Lubricate the opening of the cylinder and your penis with a water-based lubricant before use. DO NOT use silicone lubricants. To achieve the best results, you can utilize the Smart routines of the LeLuv® Magna PRO+ to periodically change the vacuum levels and durations. For beginners, it is important to start the pumping process slowly to avoid discomfort. Continue pumping/releasing air using the Release Valve Button on the Handle to maintain a suitable level of vacuum. Maximum Vacuum: 60-64 KPA or about 18-19 InHg. We recommend 3-4 sessions per week. Specifications Brand LeLuv® Item Number / MPN 200074-000i Country of Origin CN Assembled in USA Features Diameter Select From Menu Length 9 or 12 inch Material ABS Pump, Acrylic Cylinder, Silicone Hose Powered by Rechargeable via USB Size Travel friendly Yes Type Penis Vacuum Pump Waterproof No Weight (net) 25 oz Width Select From Menu Wireless Yes DISCLAIMER Products are intended as novelty only, and no representation is made or implied as to their suitability or safety for any particular use.