1. Internal telescopic massage, telescopic ring is designed inside the product, three kinds of telescopic speed, about 5cm telescopic distance 2. Strong vibration, 8 vibration frequencies 3. Intelligent heating, 42°C constant temperature 4. Wireless remote control, 10 meters remote control distance 5. Soft silicone material, skin friendly and soft 6.100% water resistant, bathroom pool can be used 7. Low noise design, USB magnetic charging