⭕[Connection Order] Due to the encryption detection mechanism of iPhone, iPad, iPod iOS devices, must be connected in the following connection order: 1. Connect the extension cable & peripherals together first. ----- 2. Then plug the extension cord into the iOS device.⭕[Exquisite Workmanship & Intimate Details] Aluminum alloy shell by micro-arc oxidation process makes the shell surface harder and more wearable. Strict quality inspection standards, fine appearance details, refuse to be shoddy. All components are made of environmentally friendly materials.⭕[Reinforced terminal & Durable Cable] Due to the structure of the lightning terminal, there is a place that is particularly fragile and easy to break. We have made special strengthening treatment in this place to solve this problem, it's three times stronger. Manufacture in strict accordance with industry standards, without cutting corners. Powered by quality tinned copper conductors. 15000+Bend Tested. Premium TPE ensure extreme temperatures (-50℃) without cracking.⭕[Hussle Free In-Case Charging] The minimum size of the output 8-pin end design is slim enough to compatible with most of waterproof cases. Just plug and charge without removing the iPhone iPad case.