FeaturesThis 2.4 GHz Wireless Remote Red 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 pointer is also the best gift for friends and familiesNo hassle setup, simply plug into your computer USB portUSB receiver is plug and play - no driver requiredPower saving, lightweight, suitable for putting in your pocket or handbagsSpecificationsSupports MS Word, excel, PowerPoint, ACD See, website etc, with page up and down functionPower Supply: 1 x AAA battery (not included)Switch: ButtonTransmitting Frequency: 2.4GHz Wavelength: 650mm Power: