Features: This 2.4 GHz Wireless Remote Red Laser Pointer Presentation Black is small and exquisite, portable and with richer applications. An essential nice assistant of demonstrations or presentations, you can easily point to the PPT or blackboard in any corner of classroom. Making your demonstrations or presentation seem more dynamic and making listeners feel release. This laser pointer is also the best gift for friends and families No hassle setup, simply plug into your computer USB port USB receiver is plug and for play - no driver required Power saving, lightweight, suitable for putting in your pocket or handbags This high quality laser pointer adopts the latest technology green laser optics and microelectronics