CE Compass Mini Wireless Keyboard with Touchpad Mouse PC Remote Control
The wireless Input set acts as a portable mini-sized keyboard and keypad that can be easily carried.Keyswitches: Membrane switch with tactile feedbackKey Layout: 57 keysHot keys: 9 Hot Keys, Left & Right Mouse click, Mode SwitchKeycap size(pitch): Mobile Phone Style Key SwitchWeight(g): 106gDimension(L x W x H mm): 125x86x18mmRF receiver: 40.9x17.7x9mmCompatibility OS: Windows XP/ Vista / Windows 7Transmission Distance: 10 meters (depend on user environment)Battery Type: 2 AAA BatteriesOperation Frequency: RF 2.4GHz ISM band