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Muti media Wireless Keyboard For Logitech K400R 2.4GHz Unifying Receiver Touch Pad Mouse for PC Laptop|keyboard integrated mouse|keyboard mouse monitor extendermouse elephant - AliExpress
logitech k400r manual.pdf | DocDroid
Logitech K400 Teclado Táctil Inalámbrico Plus para TV con un Control Multimedia y Panel Táctil, Teclado HTPC para TV conectada a PC, Windows, Android, Chrome OS, Portátil, QWERTY Español - Negro :