Mouse - Universal - Wireless Mouse, Mini Optical Silence Click Mouse, Ultra Thin 1600dpi for Laptop, PC, Notebook (Black) Highlights Universal Wireless Mouse, Mini Optical Silence Click Mouse, Ultra Thin 1600dpi for Laptop, PC, Notebook (Black) Wireless Mouse, Mini Optical Silence Click Mouse, Ultra Thin 1600 DPI for Laptop, PC, Notebook (Black) Product is shipped based on color or size from the main product page image. 400mAh rechargeable battery is built-in.Charge 1 hour to work for 2880 hours.Working distance of 10 meters.2.4GHz wireless connectivity.Easy operation: Comes with a nano receiver on the back of the mouse.3 Adjustable DPI levels (800-1200-1600 DPI) let you freely control the mouse speed.Classic Design: Suitable for two-handed operation based on symmetry design, slim shape and silence click.