(Network splitter x1. 1) When using the product, it is necessary to connect a USB power cord. 5000RPM Cordless Car Buffer Polisher w/ 8 Variable Speed for Makita 18V Battery. 2) Simultaneous use: Four output ports can access the internet simultaneously without interfering with each other, avoiding the problem of old products not being able to use them simultaneously, making it convenient to use.
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