Guarantee 100% discreet shipping on the package and no wirtting on package. Specifications： Material:Food grade silicone Function:10 Vibration Modes 100% Waterproof Power:USB Rechargeable NO Distance Limit! Can control in different city. Have more fun! ① Classic mode:10 vibration frequency; ② Music mode: You can play music while using the toys. The vibration frequency will be changed by the music melody; ③ Shake mode: By shaking your phone to control the vibration frequency and intensity; ④ Interactive mode: Add friends to control each others vibrators and can make video calls. Will make more fun! Features: 1.Smart App Controlled: The device connects to the app via Bluetooth, and compatible with iOS and Android. 2.Long Distance Play: The best atmosphere tool for long-distance love.You can use the app to make a video call with your partner from anywhere with an internet connection, share the toys’ controls with your partne! 3.Wearable underwear vibrator: The wearable design allows it to stay well inside the underwear, and its silent design is suitable for use in multiple locations. Package Includes: 1X Vibrator Egg 1X USB Charger Please refer to the product manual for specific operating methods.