Material: Liquid Silicone

Function: 1- double vibration (9 frequencies) 2- telescopic (stretching length 2cm, 3 frequencies) 3- intelligent heating (you can feel the temperature rise slowly after turning on the heating function)

Charging: USB charging (with a charging cable in the package)

Use time: 45-90 minutes after full charge

Product weight: 235g

Product size: diameter 3cm, insertable length 12.5cm (the above dimensions are measured manually, a slight error is normal)

Waterproof: life waterproof