New Digital Pen Adjustable Mouse wireless USB 2.4GHz PR-03

PR-03 2.4G USB Receiver Adjustable 1600 DPI Wireless Optical Pen Mouse for Computer PC Laptop Drawing Teaching(Grey)

1. Pen design 2.4GHz wireless optical mouse, effective distance 10m. 
2. 4 buttons. 
3. 3-Levels DPI Adjustable: 800/1200/1600DPI. 
4. Operating frequency: 2.402GHz~2.480GHz. 
5. Channel: 16 with Automatic frequency hopping. 
6. Tracking method: Optical technology. 
7. Maximum acceleration: 14 inches/second. 
8. Mini USB receiver, plug and play (Insert the mini receiver into computer USB combo, the pen mouse has been matched with the receiver when out of factory. You can use this pen mouse directly after insert the receiver.). 
9. This pen mouse can sliding on the mouse pad and desktop like a pen to make the cursor movement. It can be used for business meeting, working PPT speech, teaching and other occasions. 
10. Support system: Windows 2000 / XP / Vista / 7, Android, Linux, Mac OS etc. 
11. Power by 1 x AAA battery (not included).