... built-in media player. 3G, Wi-Fi network LCD/LED advertising player, LCD/LED digital signage,LCD /LED all-in-one ... Tuner(Optional)Applicable Fields1. Business Organizations: Supermarket, shopping malls, exclusive agency, chain shops, large-scale sales, hotels, restaurants, travel agencies etc ... stations, bookstores, parks, exhibition hall. 55inch Standing LCD USB Media Advertising Player