Ultra Silent Thin 2.4GHz Wireless Small Keyboard and Mouse Set Kit for Desktop Notebook

Specification 1 Item mouse and keyboard set2 Color Black Blue Yellow3 Frequency 2405MHZ 2476MHZ4 Battery 1 AA battery not included Mouseparameter Dpi 1500Rate of reture 250HzWireless distance 30MOperation voltage 1 5VWorking current 11mA mouse Button life 300 0000mouse size 113x64x32mmKeyboard parmeter Wireless distance 15MOperation voltage 1 5VWorking current 1 5mAKey life about 1000 0000keyboard size 289x140x26 5mmFeatures 1 2 4G wireless transmission technology can up to 30 meters 2 Ultra quiet mouse and keyboard will notdisturb other persons 3 Mini portable design easy to carry 4 Chocolate keycap design gives you a more comforable hand feeling 5 Strong compatibility not matter your devices is desktop laptop or server system is Windows for Mac Package included 1 Mouse1 Keyboard1 Usb recceiver1 User manual