USB OTG

如果您的手机有 OTG，您可以连接外部设备并为其供电 全球定位系统 via USB. OTG is a functionality quite common in nowadays phones.In the past the USB on the phone could only be used to charge and to connect it to your PC. With newer phones, it is not possible to connect USB peripherals (like a mouse or a GPS receiver) to your phone via USB.