... 5Wi-Fi802.11 b/g supported 63GExternal 3G (USB 3G Modem) supported 7MicroSDMaximum 32GB supported 8USB HostMiNi USB,USB OTG 2 ... LCD Size: 17", 19", 22", 26", 32",37", 42", 46", 55", 65" Infrared One-Dot/Two-Dot Touch Screen Client LOGO ... BOHC Shenzhen China, TEL:13760255183/0755-89516350-8029/QQ:304190803 55 inch TFT ads display dual panel Android OS floor standing