EagleTec MR3M2449 2.4GHz Wireless Optical Mouse, Switchable DPI 1000/1500/2000, with Nano USB Receiver (Black Color) 2.4GHz Wireless mouse, Lovely colour matching- White+ Pink/ White+ Light Blue/ White/ Black Switchable DPI 1000/ 1500/ 2000 Total of 3 buttons Nano USB Receiver, USB storage area Low battery indicator (**batteries not included)