Color White Brand N/A Model PP991 Quantity 1 Piece Material PP Interface USB 2.0 Powered By Built-in Battery Battery included or not Yes Operating Range 15 m Laser Pointer Supported Red laser pointer Battery Number Built-in 260mAh lithium battery Supports System OthersWindows 98 SE ME 2000 XP Mac OS Linux Win7 Windows Vista Other Features Charging time: 3 hours; Using time: 50 hours; Red laser wavelength: 650nm; With mode conversion mouse the cursor rechargeable lithium-type PPT flip laser pointer; With remote control flip laser pointer full-screen playback black function the power switch off functions; specifically for the introduction teaching conferences lectures training and other uses; Mini receiver hidden into the pointer convenient to use. Packing List 1 x Paging laser pen 1 x USB charging cable (95cm) 1 x English user manual