V-by-One 4K display interface — Wanlin AndroidSBC, 12-year Chinese building advertising Android motherboard manufacturer, WL-BA600 (RK3399 Commercial Display Board) certified CE/FCC/RoHS. Rockchip RK3399 dual-core A72 1.8GHz + quad-core A53 1.4GHz + Mali-T860 MP4 + 4K@60fps + 2. MOQ from 50 units, OEM/ODM from 500 units, 12-15 day delivery, 60+ countries.