Features:
Innovative mini pen-style mouse provides accurate and easy control of the mouse cursor.
2.4GHz wireless connection, up to 10m operation distance.
Adjustable 500/1000 DPI optical sensor for smooth movement control.
Power saving: if there is no 2.4GHz signal, it will automatically power off.
Pen shaped, especially suitable for handwriting input.
Real Plug and Play, no extra driver needed.
Low voltage alarm function, reminds you to replace battery in time.
Designed with a wheel for page turning during PPT presentation.

Specifications:
Tracing system: optical
Operation frequency: 2.4GHz ~ 2.483GHz
Operation distance: up to 10 meters
Resolution adjustable: 500/1000cpi
Operating current: 15mA
System requirement: for Windows 2000/XP/Vista/7, Linux, for Mac OS, Android OS (with standard USB interface)
Battery type: 1 * AAA Battery (not included)
Color: Silver Grey, Blue, Red
Size: approx. 135*20*15mm/5.31*0.78*0.59''
Net weight: approx. 25g
Gross weight: approx. 58g

Note:
Please allow 1-3mm differs due to manual measurement.
Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.