无线激光笔又称为电子教鞭(英文名为:Laser pointer with remote control), 它是专门为计算机及多媒体投影机设计的一款新型专利电子产品,在欧美等发达国家的使用已经很普遍了, 多媒体教学中无线教鞭的使用已显得越来越有必要,尤其是频繁地用于幻灯片播放。-Wireless Laser Pointer, also known as e-Pointer (English name: Laser pointer with remote control), it is speci