TeckNet Kraken 3 LED Adjustable Backlit Gaming Keyboard and Mouse - Black 3-Color Backlit LED Illumination  TeckNet professional gaming keyboard features an adjustable 3-colored LED backlit system that makes gaming in the dark cool and eye-catching! Heavy Duty and Multi-functional Design  105 keys, 19 keys non-conflict, removable keycaps.12 custom multimedia keys for audio settings.Specially designed keys for enhanced durability and tactile feedback, bring you ultimate gaming feeling. Easy Operation - USB plug and play, no driver needed, anti-skid and waterproof. Extra Mouse Gift  A gaming mouse with 6 handy functional buttons is included as a gaming gift. Its ergonomic and professional design ensures all-day comfort. Works with Windows 98,2000,XP,Vista,7,8,10 and Mac OS. Package Contents  1x TeckNet backlit gaming keyboard, 1x TeckNet wired gaming mouse,1x User Manual,1x Warranty Card and lifetime friendly customer service.