Function characteristic: 1. The USB connection, namely inserts namely uses, not to need driver 2. 4 from definition procedure quick key 3. Each quick key may establish starts 3 procedure 4. The remote control support mouse, the letter text input function, the remote control is away from 18 meters scopes 5. Compatible nearly all media broadcast software 6. Teaching demonstration: May demonstrate the powerpoint and so on slide on the large-screen television 7. May the remote control present popular many patterns video on demand software, for example: PPlive, FastTV, PPS, STTV… technical parameter: remote control size: Long 18.5cm extends 5.1cm thick 2.8cm the remote control battery: AAA battery 2 remote control way: Infrared remote control packing form: Colored packing application method: 2 USB the line insertion computer USB port, the computer demonstrated that found the hardware system, installed successfully after automatically, then might use the remote control; 3 turns on the battery cover, according to positive and negative loads the battery warehouse extremely 2 7th battery, and covers the battery cover; 4 presses the random key. The remote control red indicating lamp is bright. For normal work. when 5 use generally aims at the usb receiving end, the receive angle scope is 45 degrees, the receive is away from 18 meters;