DATA SHEET Diameter (cm) 2,7 Battery Rechargeable Length (cm) 8,7 Color Pink Material ABS, Silicone Special feature waterproof, app-controlled MORE INFO Smartphone Controlled Vibrator(Iphone & Android) Features: 1.Video chat + remote control from different place 2.Dual Mode: Smartphone and traditional 3.Get custom vibration by hand-drawn on the screen 4.Customize private vibration mode 5.Multi-Control Mode: Voice, Sliding, Motion, Clicking… 6.100%25 silicone 7.Rechargeable Lithium Battery 8.Strong Vibration & Ultra Quiet Motor 2 colors available : pink, purple Specification: 1. Bullet Size : 8,7cm(Total Length) 8,2cm(Effective Length) 2,7cm(Maximum Diameter) 2. Butterfly Weight: 55g 3. Material: Silicone ABS 4. Battery: Lithium Battery 3.7V 300mAh 5. Charging Time:80minutes 6. Maximum Continuous Use: 4 hours 7. Water Proof: 100%25 water proof 8. Vibrate Mode: 10 modes (preset) + more ( custom) To install the free app, scan the QR code on the box or under the description.