WirelessOptical Pocket Pen Mouse, Portable Mouse Pen with Low Voltage Alarm, 800 1200 1600 DPI, Ergonomic Handwriting Mini Air Mouse Mice for PC Laptop Notebook Computer (Blue)

2.4GHz: optical pocket pen mouse for precise and easy mouse cursor control, 2.4GHz mouse, effective distance up to 10m.
Adjustment DPI: Adjustment 800/1200/1600DPI optical sensor for smoother motion control, ergonomic design for a comfortable fit in the hand.
Plug and Play: The 2.4G pen mouse is truly plug and play, no additional drivers required, and can be used to turn pages with the scroll wheel during PPT presentations.
Alarm Function: When the battery is low, the low voltage alarm will light up to remind you to replace the battery, not the pen mouse is bad.
Small Portable: The 2.4GHZ USB pen mouse is small in size, light in weight, does not take up too much space, and is easy to carry and use.

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