E-3LUE EMS601WHAA-NF Mazer II 2500 DPI Blue LED 2.4GHz Optical Portable Mobile Wireless Gaming Mouse Mice for Notebook, PC, Mac, Laptop, Computer, MacBook, White

Product specifications:
1. Size: 125 x 85 x 40 mm
2. Weight: 140G
3. Optical Type: Red wave
4. Adjustable DPI: 500/1000/1800/2500
5. Polling rate: 250Hz
6. Buttons: 6
7. Maximum acceleration: 20G
8. Frame rate: 3000 Frame/ sec
9. Wireless Type: 2.4G
10.Compatible system: XP/Windows Vista/wins 7/wins 8/Mac OS and other OS with CD-ROM
packing content:
1 x E-3lue mazer II wireless mouse
1 x USB receiver

if the mouse can not work normally, like regular disconnection or late response of the cursor, please change the battery