There are multiple working modes to choose from 'Tab', 'Vibration', 'Massage', or 'Automatic'. Each mode provides a unique experience to meet your preferences. The indicator light will flash green or remain continuously green to indicate the selected mode. A musthave tool for electronic stimulation fun. Easily adjust the shock intensity. Enjoy the fun brought by electrical stimulation. Usage: Before using the urethral catheter, clean both hands and the catheter, apply an appropriate amount of lubricant, and then slowly and gently insert the catheter into the urethral opening. Maintain relaxation during insertion and avoid excessive force. To adjust comfort, please use the scroll wheel in the upper right corner (position of S.M Player) to adjust the current intensity. Please adjust to a speed that suits you. Use scenarios Solo session at home: select a mode (Tab, Vibration, Massage, or Automatic), then use the scroll wheel to set a comfortable intensity. Follow the lubrication and insertion guidelines to proceed safely and enjoy a tailored stimulation experience. Progressive comfort routine: start with a lower intensity in one mode and gradually increase, exploring how different modes feel and how intensity changes affect the experience, while keeping relaxation and safety as a priority. Partnerassisted session: with clear communication and consent, prepare with lubrication, insert slowly, and use the mode and intensity controls to adjust the experience to mutual comfort.