Description: Name: 4-piece Game Competition Set.  Color: black tricolor backlight.  Keyboard interface: USB.  Mouse interface: USB.  Working mode: photoelectric.  Four-speed DPI: 800DPI, 1000DPI, 1200DPI, 1600DPI.  Plug and play: yes.  Multimedia function keys: yes.  Ergonomics: yes.  Backlight: support.  Applicable to: notebook, home, games, office, general.     Features: 1. Keyboard: - Pure tone, bass mellow.  - Cool tricolor light switch, red, blue, purple tricolor cycle breathing, according to personal needs to switch.  - Double color injection molding key cap, double light emitting character keyway, comfortable hand feeling, no fading.  - Suspension key, double color key cap, long time does not wear.  - Waterproof design.  - Multimedia button, one key control, entertainment video more convenient.  - Angle 75 ° oblique base, stable control, base to a close, can adjust at will.     2. Mouse: - The base of the mouse is slide-resistant and wear-resistant, and can be used for a long time.  - The resolution of the four gears is adjustable to meet the needs of different large-scale games.     Package included: 1 x Gaming Keyboard.  1 x Gaming Mouse.  1 x Mouse Pad.  1 x Gaming Headset