gift mouse

1.mini mouse 2.optical senson with rsolution:800DPI. 3.scroll wheel with page up and down. 4.key life over 3,000,000times. 5.mini mouse with retractable cable. 6.fit for notebook computer user. 7.grgonomic&comfortable sesign with good hand touch. 8.color printing.all colors available(optionlal) 9.compatible:windows98/2000/XP/NT/SE. 10.SIZE:76*41*24mm 11.interface:USB and combo(U+P)離線警報器