Logitech G613 Gaming Mehanicka Tastatura Wireless / Bluetooth ROMER G Switch, Wireless / Bluetooth, Layout Eng, Mechanical, Interface: Bluetooth, Wireless Receiver; Logitech LIGHTSPEED receiver,Key Life Span: 70 million clicks,Hot Keys Function:Programmable, gaming mode key, Keyboard Technology: Mechanical,Key Switch Type: Romer-G, Features:Numeric keypad ,Palm Rest, Adjustable Height