1-Port USB Wall Chargers Accounted for 5 in 10 Units Sold in 2018, Fragmented Landscape Inducing Pricing Pressures – Fact.MR Rockville, MD, Jan. 04, 2019 (GLOBE NEWSWIRE) -- Backed by modest sales of over 76 thousand units, the USB wall charger market grew at 5.3% y-o-y in 2018, reveals Fact.MR’s new study. According to...