Features: This card tray is precisely engineered for A16 models like A166B, ensuring a excellent fit to eliminate connectivity issues and support double cards or a storage slot for flexible storage expansion. Made from strong metal with a smooth, burr easy surfaces , it allows effortless insertion and removal, while its easy carry design preserves phone portability without compromising on strength or longevity. Ideal for frequent travelers, business professional, and users who regularly switches cards to optimize internet coverage or manage storage needs across different regions. excellent for travel, remote work, or city settings, enabling seamless card swaps to maintain stable communication and internet access in varying signals environments. Featuring enhanced resistance to drops and wear, this card tray delivers stable performances for everyday use, ensuring consistent functionality with A16 devices. Specifications: Component : metal Length: about 3.2cm/1.26inch Package Includes: 1xMobile phone Card Tray note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.