Qisan(TM) Wireless Optial Mouse 2.4G Hz 1200DPI with Nano Receiver(in the battery storage) - Blue 2.4G Hz Free moving in 10 meters (30 Feet) Smooth, precise and affordable wireless optical 3-button mouse with nano receiver for laptop, desktop and netbook PC and Smart TV 500-1200-1800DPI 3 free level adjustable, 1200DPI (Default) Compatible with Win7, Win8, Win xp, Vista, Ios, Mac and Android 4.1 or above Smart TV Package List: 1 x Qisan SR-7300 Wireless Gaming Mouse(Not including battery), 1 x Nano Receiver(in the battery storage)