b>SADES Whisper LED USB Wired Keyboard and Mouse Combo Specification: FN+F1=Media FN+F2=Volume- FN+F3=Volume+ FN+F4=Mute FN+F5=CD Stop FN+F6= Previous Track FN+F7=Play/ Pause FN+F8= Next Track FN+F9=Email FN+F10=Web/Home FN+F12=Calculator FN+LED=Open LED breathing mode FN+"Pg Up +" =Control the LED breathing brightness + FN+"Pg Up -" =Control the LED breathing brightness - (The lowest level effect is equivalent to ?Turn off? the backlight) Keyboard: Suspension style keycaps, waterproof and dust-proof, and easy to clean Color: Silver Black(Silver Panel &Black Keycap) Panel material: aluminum alloy wire drawing Mouse surface material: matte skin Mouse bottom plate material: metal Keyboard/mouse wire: silicone wire Line length: 180cm Resolution: 3200dpi Working voltage: 5V Working current: 10mAh Number of keys: 104 (key) Button: multimedia button function, Fn + combination function Keyboard type: membrane keyboard Waterproof: Yes, waterproof and high elastic membrane switch Keycap type: double color injection Keyboard interface: USB Backlight adjustment: high, medium, and low brightness Connection with the computer(USB 2.0): mouse wired, keyboard wired DPI four-speed adjustment: 800 (browsing the web) / 1200 (daily use) / 2400 (games) / 3200 (pro games) Mouse glow: seven-color breathing light Added function: voice control lighting Keyboard size: 47.8cm*17.1cm*3.8cm Mouse size: 13.3cm*7.2cm*4.1cmOS / System Requirement With USB 2.0 Port, Operating System Supported: Linux, Win XP, Win 2000, Win Vista, Win7, Win8Packaged Included 1x Wired Gaming Keyboard 1x Wired Gaming Mouse 1x User Manual