2.4Ghz wireless technology #13 #10 10 m range #13 #10 Nano USB receiver #13 #10 The set works with Android, Windows, iOS, Linux systems and smart TV #13 #10 #13 #10 Keyboard: #13 #10 Mushroom layout #13 #10 10 4 keys #13 #10 QWERTY layout #13 #10 Compact size #13 #10 Powered by 2xAAA #13 #10 #13 #10 Mouse: #13 #10 Unique design #13 #10 Optical sensor #13 #10 4 buttons and scroll wheel #13 #10 Resolution 800/1200/1600 DPI #13 #10 Powered by 2xAAA