1Intelligent Identification: PD magnetic adapter automatically identifies the current and voltage of the device, and protects the computer when charging. 2Magnetic Interface: One touch smart charging, the magnetic interface has strong suction, not easy to fall off, protects the notebook for stable charging, and can be quickly docked at night. 3Maximum Support 5A Current: 18.520V voltage, faster and better to fully charge for IOS computer, and with intelligent charging indicator, keep informed of the charging status, safe and reliable. 4Lightweight and Portable: DC to for magsafe, with DC fast charging device, you can charge for IOS notebook, light and portable, easy to carry. 5Aluminum Alloy Shell: The Magnetic adapter is made of aluminum alloy shell, which can charge and dissipate quickly, make charging faster and more stable, and is durable.