1. Liquid silica gel material, health and hygiene, soft and hard simulation of human skin, no deformation, no smell, easy to clean, easy to save 2. Wireless remote control, 20M remote control distance 3. Automatic telescopic with its own swing, adjustable strength and size by remote control, 30mm telescopic distance 4.42°C constant temperature heating, heating according to the real-time temperature self-adjustment, built-in thermal induction NTC, temperature constant temperature accurate 5.7 frequency vibration, mute vibration motor, comfortable vibration, bass vibration, 6.USB magnetic charging, automatic water protection when charging