1. Magnetic quick release, stable claw buckle, magnetic design, easy installation and removal, providing a reliable locking mechanism to that the device is stable and does not fall off during use 2. Excellent compatibility, wide expansion 3. Small and portable, weighing only 18.6g, light and easy to carry 4. Aluminum alloy material, anti-collision and anti-fall, light and sturdy 5. Anti-slip silicone gasket, upgraded positioning card slot + shock absorption and anti-shake, cycling sports is as stable as a rock Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color:As Shown Material:Aluminum Alloy Package Contents: 1 * Quick release base Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.