EagleTec MR3S2386 Mini Travel Mouse , 15mm slim thin size, 2.4GHz, Wireless, Switchable DPI 1000/1500/2000 with Nano USB Receiver (Leather Black Color) 2.4GHz Travel mouse, Super slim and small Switchable DPI 1000/ 1500/ 2000 Total of 3 buttons USB power battery charging, Rechargeable,Micro USB to USB stretchable cable, Nano USB Receiver, USB storage area Low battery indicator