Brand N/A Model G-195 Quantity 1 Color White Material Plastic Connection Method 2.4G Wireless Connection Type USB 2.0 Operation Distance 10m Tracking Method Laser Laser Type Red Laser Resolution 1000 / 1600 dpi Power Supply 2 x AAA (not included) Supports System Windows 2000 / XP / Vista / 7 Other 2.4GHz wireless transmission free movement within 10m distance; Hidden USB receiver plug and play; More accurate positioning; 3-button laser mouse; 1000/1600dpi high accuracy optical engine; Easily achieve smooth sliding; High performance wearable feet pads; Auto sleepy mode function saving energy and power. Packing List 1 x Wireless mouse 1 x USB receiver