[Digital products] - [USB accessories] |
T-day pencils | PPT remote control pen | projection pen electronic pointer verifier hyperlink |
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N33 three versions of the difference: Basic models: laser instructions, up / down page, black screen 4 core function; (No full-screen function) Upgrade section: laser instructions, up / down page, Full screen / black screen, hyperlink, window switch play / exit, Control distance of 20 meters; Upgrade 100 meters: laser instructions, up / down page, Full screen / black screen, hyperlink, window switch play / exit, Control distance of 100 meters.
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