large and soft palm rest enables you to work for a long time using without feeling tiredspecially designed for someone who likes to use one hand to control the keyboard in action games for quick movementsdouble space bar and red cap awsd keys makes it an amazing gaming keyboard no. of key:47interface:usb 2.0working voltage:dc 5 vcolour name:blackconnection type:wiredfeature 1:pcfeature 2:gamingmodel number:t9this keyboard is designed for gaming especially for someone who like to use one hand to control the keyboard in action games for quick movements. ergonomic shape with a comfortable palm rest, dedicated multimedia keys, double space bar and red cap awsd keys making it become an amazing gaming keyboard.features:double space key double space key perfect for left or right hand user, convenient to control, humanized design.ergonomic designdelicate appearance, large and soft palm rest ensures you long time using without feeling tired.multimedia keyseasy-access dedicated multimedia controls, it is convenient and easy to switch between gaming.recessed designfour special keys wasd with red cap for game, convenient to touch middle row, quickly position every button.one key to swapthe function key and the arrow keys can be swapped only by a key.mini portable47 key, portable design so you can carry everywhere anytime, great for one hand control.specification:brand: deluxmodel: t9key number: 47keystroke life: ?10,000,000working temperature: 0~45??working voltage: dc 5vkey operating force: 55?7gkeycaps pulling force:?0.8kgoperation system??for windows2000/xp/vista/7/8interface: usb 2.0item size: 224.73 * 170.79 * 35.67mm / 8.84 * 6.72 * 1.40in (l * w * h)item weight: 500.3g / 1.10lbpackage size: 28 * 23 * 8.4cm / 11.02 * 9.05 * 3.30in (l * w * h)package weight: 600g / 1.32lbpackage list:1 * keyboard1 * user manual(chinese)note: two types of keyboard, random shipments.