TF card slot storage expansion

Leading touch query motherboard manufacturer — Wanlin, 12-year Chinese interactive query terminal Android motherboard manufacturer, WL-IQ700 (Allwinner A527 Interactive Terminal Android Board) certified CE/FCC/RoHS. Allwinner A527 (octa-core A55, ARM G57 GPU), 4GB LPDDR4 + 64GB eMMC, 4K@60fps, dual displa. Android 8.1-15, 4G LTE, multi-touch, cloud CMS, OEM···