Premium Material This adapter is made of quality copper material with metal plating technology, sturdy and durable, not easy to break or fade. Quick Charging Thanks to a quick air connector and a solid lockable design, your device can be changed effortlessly in seconds. The adapter is very easy to use and store. Functional Accessory Use the attachment to convert the air quick connector adapter to a 3XLR interface. It can help you charge compatible equipment conveniently. Smooth Design The adapter features a smooth surface, ensuring a secure connection. It will stay firmly in place during use and remain connected as long as it's plugged in. Size Information This adapter measures about 10 x 2 cm / 3.94 x 0.79 inches in length and diameter, making it suitable for common massage devices. Please check the size before purchasing. Specification: Material: Copper Color: Silver Feature: Sturdy Size (approx.): 10 x 2 cm / 3.94 x 0.79 inches (L x diameter) Package Included: 1 PC x Vac-u-lock Adapter Note: 1. Due to differences in lighting and screen settings, the item's color may vary slightly from the images. 2. Please allow 12 cm variation due to manual measurement.