Usage Tips:Premium MaterialThis vac-u-lock adapter is made of quality copper material with metal plating technology, sturdy and durable, not easy to break or fade. Quick ChargingThanks to a quick air connector and a solid lockable design, your toy can be changed effortlessly in seconds. The vac-u-lock adapter is very easy to use and store. Functional AccessoryUse the attachment, you can make vac-u-lock air quick connector adapter change to 3XLR interface. It can help you charge the corresponding equipment conveniently. Smooth DesignThe vac-u-lock adapter features a smooth surface, and your toy will totally stick to it. But it won't slip off easily in use. It can stay charging your toy as long as it's plugged in. Size InformationThis vac-u-lock adapter measures about 10 x 2cm/3.94 x 0.79 inches in length and diameter, which makes it suitable for common massage toys. Please check the size before purchasing. Specification: Material: copper Color: silver Feature: sturdy Size(approx.): (L x diameter) 10 x 2cm/3.94 x 0.79inch Package Included: 1 PC x Vac-u-lock Adapter Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.