Qicent Direct via Amazon offers its Qicent Portable USB 3.0 4-Port Mini Hub in Black for $13.99. Coupon code "29MVL3LB" cuts it to $9.09. Plus, Prime members receive free shipping. That's $21 off and the lowest price we could find. It features data transfer rates up to 5Gb/s, OTG support, a micro-USB power port for charging high-powered devices (external power supply sold separately), and detachable 3.3-foot USB cable.