Powerful motor and no noise. The improved motor offers super high speed and strong vibration. The voice of the vibration is almost unnoticed (<50dB), so you can pay more attention to enjoying a wonderful massage. Ergonomic design. With streamlined design and matching diameter, it will fit well in your hand. Comfortable grip. With a little weight, you can hold it for a long time and your hand will never feel uncomfortable. Easy to use. There are a total of 4 buttons. These 4 buttons allow you to activate and turn off all functions and switch mode. Portable size: Length: 258 mm. Diameter: 44 mm/33 mm. Material: Acrylonitrile Butadiene Styrene (ABS) and silicone. Maximum noise: <50dB. Power supply: USB charging.