CHOETECH QC3.0 Fast Charger with USB C
CHOETECH has a slew of excellent accessories all using the new Quick Charge 3.0 standard and USB Type-C cables for most devices that will be released in 2017. The first one up is a typical wall plug with an included USB Type-C cord for the LG G6. So you won't need to buy an extra. It's also backward compatible with all older phones as well.
This is all you'll need for fast charging in other rooms with the LG G6.
The company also has a straight USB Type-C to USB Type-C for those interested.
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