Note: 1.After receiving the product, you need to clean it and fully charge it before unplugging the charging cable and turning it on for use. Secondly, when starting up, you need to hold down the switch for 3-5 seconds, then press the button for one second to make the product work. 2.In order to get better use experience, we recommend you to add some water-based lubricant before using the sex toy.(If you use other ingredients lubricants, it may cause damage to the silicone)