. Mode: 10 mode 2. Charging: USB chargig 3. Noise: less than 40 4. Waterproof: IPX7 waterproof 5. Cleaning: After use. the vibrator should be cleaned as soon as possible. Warm water and soap can be used for cleaning. How to use: Step 1: Long button 3-5 seconds switch button to open the product Step 2: Short press the vibration change mode