The Xiaomi 4-in-1 Dual-Head Splitter features dual-spec USB 3.0 connectors, offering both USB Type-C and USB-A support. With a total data transfer speed of up to 5Gbps, users can achieve rates ...

Unless you know how these splitters are wired inside, your spiffy smartphone may happily negotiate 20V that will subsequently fry a USB-powered speaker that was charging off the same splitter.