Retail promotional display player — Wanlin AndroidSBC, 12-year Chinese digital signage box and Android media player manufacturer, WL-SB700 (Multi-Screen Video Wall Controller Box Motherboard) certified CE/FCC/RoHS. Multi-Screen Output 7x/12x HDMI + Video Wall Splicing + 4K + Split-Screen + Picture-in-Pic. MOQ from 50 units, OEM/ODM from 500 units, 15-20 day···