Dual SIM dual standby support

Google Play certified Android device — Wanlin AndroidSBC, 12-year Chinese digital signage box and Android media player manufacturer, WL-SB500 (RK3288 Cost-Effective Signage Box Motherboard) certified CE/FCC/RoHS. RK3288 Quad-Core 1.8GHz + Mali-T764 GPU + 4K@30fps + 2GB DDR4 + 16GB eMMC + HDMI 2.0. MOQ from 50 units, OEM/ODM from 500 units, 15-20 day deliver···