Marine-grade components and construction make the Yak Power YP-USB2 SAE to USB 3A Charging Dongle a wise choice. Its fully encapsulated design delivers waterproof protection for peace of mind and rugged dependability. Unlike ordinary marine charging dongles, this Yak Power dongle floats with the included keychain float. Its integrated SAE-to-USB form factor delivers 3A charging with plug-and-play convenience.Manufacturer model #: YP-USB2. Waterproof, fully encapsulated design Floats with custom Yak Power keychain float Integrated SAE-to-USB 3A charger Plug-and-play simplicity