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Anker\u2019s next puck-shaped accessory<\/a> is an SD and microSD card reader called the MagGo USB-C Adapter<\/a> that can be used with laptops, tablets, and smartphones. When connected to an iPhone 15 or 16, it can also unlock ProRes 4K recording at 60fps if the memory card supports at least 220MB\/s write speeds and 256GB capacity.<\/p>\n<\/div>\n The MagGo USB-C Adapter \u2014 available in white, black, or teal finishes for $34.99 from Anker<\/a> or Amazon<\/a> \u2014 is MagSafe compatible, so it can be secured to the back of an iPhone and kept out of the way while recording video. Since it does end up blocking both of the ways an iPhone can be charged, Anker has included an additional USB-C port on the MagGo that will pass along up to 42.5W of power.<\/p>\n<\/div>\n Anker promises transfer speeds of up to 312MB\/s, which is the theoretical maximum of UHS-II-rated memory cards. The speeds you experience may be less than that, depending on the type of card you\u2019re using or even how long it\u2019s been in use. If you\u2019ve got an SD or microSD card slower than 220MB\/s, you can still record video externally from an iPhone 15 or 16 using the MagGo \u2014 it will just be limited to lower frame rates and potentially even lower resolutions.<\/p>\n<\/div>\n