Green 3 Mode 2.4G+BT3.0+5.0 Wireless Optical Pen Mouse 800/1200/1600DPI Recharge
DPI: 800/1200/1600. Precise Optical Mouse. A triple mode BT mouse with 3 way connections(USB+dual BT). You can connect either by USB or BT. The internal structure of the mouse can be clearly seen through the lights.