laser presenter

Feature: 1.USB plug-and-play 2. Light, the receiver into the wireless multimedia presentation for the bottom so as to avoid loss of 3. Compatible with USB V1.1/V2.0 4. Multimedia features (such as: open windows Media Player after , "M1" mode you can control "player" and "suspended" and adjust the volume increase / decrease; "M2" control computer / under flip) 5.USB mouse features 2.4 GHz-controlled effective distance of about 10 Metre-high frequency wireless mouse control 6. Laser instructions 7. Up / down flip function (in particular can be used as a PowerPointer / PDF e-book flip) 8.USB load memory (optional) 9. Operating system: Win98/me / 2000/XP/Vista