best air mouse
Knorvay N99C Powerpoint Presenter with Laser and Air Mouse Function
ASiNG M601 U2 Remote Presenter 3 in 1 Wireless Mouse, Laser Pointer Combine with 2G USB Driver
Deli 2803 Air Flying Wireless Laser Pointer 2.4GHz Rechargeable Powerpoint Laser Presenter Remote Control Filp Pen For Teaching Speech Conference Presentations with Mouse Function