TNI Backlit Gaming Keyboard & Mouse Combo with Multi-color Backlit Mechanical Feel Rainbow Glare LED Mouse 21 Keys No Conflict Waterproof (2016) Pro Mechanical feel gaming keyboard, with 21 keys bonded together without conflict, 3 changeable backlit colors, 4 Level of brightness adjustment 10 Multimedia control keys on keyboard, 7 colors rainbow glare automatic breathing light mouse Super cool crack patterns, ergonomic keys design for best experience and comfort Fast mouse movement and responsiveness, smooth scroll wheel and speed, 600, 1000, 1600 PDI Features mechanical feel but give player the quiet key press, responsive rebound no key stuck