all in one touch pos system Economical portable fashionable wifi+bluetooth+card reader+speaker touch screen ... ;Memory:1GB,2GB,4GB; Proximity/contactless card reader,wireless mouse and keyboard,wireless LAN,Bluetooth,Wall,dual-display-specific base and so ... solid touch, the perfect touch to achieve the effect.4, supports VESA wall standard (100 * 100mm).5, the country's first ...