... mouse 2.4G mini Wireless keyboard suitable for windows,android, linux,mac OS Used for pc,laptop, android Nice RC11 ... 4G mini Wireless keyboard suitable for windows,android, linux,mac OS Used for pc,laptop, android tv box, smart tv, etc.other smart ... for conference, presentation and lecturingSpecifications:•2.4GHz DSSS radio transceiver,30m max distance•Powered by 3 x AAA battery (Not included)•System ...