Features: 
100% Brand New 500-1000 (auto) CPI USB Wireless Optical Mouse
2.4GHz Wireless Optical Technology , Interface: USB type A
Absolutely comfortable design for your hand touch
Low-Battery Indicator, indicator lights reminds you to change the batteries.
Works maximum within 10 METER distance
Power saving technology
High precision capacity scrolling can enhance your searching speed
Very Easy to Install, only plug your USB receiver then you can use.
Compatible with operating system: Windows and Mac, All Laptop or Desktop
Mini USB type A receiver is included, which can be stored neatly inside the mouse when not in use
 
1 x White or Black  2.4GHz USB type A Optical Wireless Mouse
1 x Mini Receiver(Hidden in the Mouse Bottom)
Battery NOT included