... ,Interactive white board 2,Resistive Technology 3, Proportion:4:3 4, Resolution: 8,192x8,192 5, Operate by finger or pen Interactive white ... ,Power Supply: USB/2.4GWireless Bluetooth10, Electricity :DC 5V±0.111, Electric Current:130mA±5(USB),500mA±5(Wireless Bluetooth)12,Power ... : normal pen, smart pen and broad penWhiteboard: you can create white page, black page ,green page,etc. You can extend the ...