Aluminum Material:The power supply case is made from aluminum, ensuring durability and longevity. Its robust construction protects your device from scratches and impacts. Versatile Size:With dimensions of 39*88*100, this power supply case is designed to fit a wide range of devices, making it a versatile choice for your electronic needs. Wireless Transmission:This case supports wireless transmission, allowing for seamless connectivity and operation of your device. Integrated Ear Design:The case features an integrated ear design, providing a convenient grip and improved usability. It enhances the overall user experience by offering a comfortable grip. Surface Treatment: Decorate the surface of the shell with sandblasting, wire drawing, oxidation coloring, laser engraving