2.4Ghz Foldable Wireless Optical Mouse Folding Optical Mouse Mice with USB Receiver For PC Laptop Computer Red Black Blue Features Brand New and high quality. Optical technology. Nano/USB receiver hidden in the mouse button. Can be folded, convinent to carry. Folded, the mouse turn off automatically. Unfolded, the mouse turn on automatically. 2.4GHz wireless transmission up to 10 meters operating distance. Powered by: 2 x AAA battery (NOT included). Elegant and ergonomic design, perfect to match your laptop or PC. Easy to Install, plug USB receiver and play. Compatible with PC, Mac, windows XP, and vista and win 7,Win 8. Pairing is necessary before using. Specification Product type: 2.4Ghz Wireless Foldable Optical Mouse For Laptop PC . Net Weight: 50g. Color: Red,Black,Blue,White