CK0177B Features Just handles the cordless air mouse + keyboard in the air， you can quickly and exactly remove the cursor and type directly on the screen to control the PC Smart TV and Android TV Box Smart & portable design Allows you to enjoy PC Multi-media Entertainment at home Allows you to enjoy Android TV BOX and Smart TV Convenient & efficient for conference， presentation and lecturing To share large TV and projector screen Large PAD for handwrite General Specs Brand & Model Measy RC12 Type RF 2.4G wireless air mouse + keyboard Color Black Operate Range 10 m Others 2.4GHz DSSS radio transceiver System Requirements Windows 98/ 2000/ Me/Vista/ NT/ XP/ 7， Android Linux (Debian-3.1， Redhat-9.0) Dimension 200 x 57 x 25 mm Weight 144 g Package Details Weight: 178.69 g Size: 23.2*6.5*3.00 cm Package Includes * 2.4G Wireless Air Mouse + Keyboard Set