Description: Brand new and High quality It is made of nickel plating metal dome keypad, brings you comfortable touch feeling The mini USB receiver supports plug and play technology. No driver is required Operation system: Windows 2003, XP, Windows Vista, Windows 7, Windows 8, Mac OS, Linux Comes with auto standby and deep sleep functions for energy-saving and durable use, and equipped with a separate switch and effectively avoids unwanted power consumption when you put it in your bag Support hyperlinks. With the red pointer gets the whole room focused on your most important points Specification: Technology: Radio Frequency Frequency: 2.4GHz Control Distance: 30m Class 3R Wavelength: 650nm Battery: AAA*1 (not include) material: ABS Size(spprox.): 13.5*1.8*1.5cm Weight: 68g Package included: 1 x Wireless Presenter remote control 1 x User Manual Please kindly Note: Items will be repackaged to save your shipping charge & to be environmentally friendly. We guaranty the item will be protected well in buble bags, No retail box!