1. App DualEnd Sync for Better Silent Understanding: Compatible with iOS/Android users, both can control the vibrator via the exclusive app, switching between classic and interactive modes and other functions. 2. Waterproof Safe Silicone: The soft silicone material ensures a gentle, safe, and nonirritating feel. The firm head design guarantees precision during use, while the feature allows for easy shower use. Cleaning is quick and hassle. 3. Soft Silicone, Comfortable Soothing: Made of quality, soft silicone, it provides a smooth, safe, and skinfriendly experience, offering comfort and relaxation. 4. USB Fast Charging, Practical Efficient: This vibrator supports USB fast charging. Simply connect the charging cable for easy charging without complicated steps. With fast charging, minimal waiting ensures you can enjoy the pleasure anytime. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store