This is possible because the charging pad outputs 15 W, which is thrice the output of regular wireless chargers. (slashgear.com)
The company claims that its LG V30 smartphone can provide 8 watts of wireless charging as compared to regular wireless chargers which provide only 5 watts. (ibtimes.com)
It fixes the biggest flaw of regular wireless chargers: you don't need to disrupt charging to use your phone (well, unless you get a call and must put the phone to your ear). (sammobile.com)