GK75 Lite Gasketlike Mount Wired Hot Swappable Programmable Keyboard with Rotary Knob Win/ Compatible PreorderName: R905 Wireless Keyboard And Mouse SetConnection Mode: 2.4GProduct Interface: USB ReceiverNumber Of Keys: 87/6Lighting Effect: LightKeyboard Size 359*132*35mmMouse Size 130*71*42mmWorking Voltage/current: 3.7V/35mASpecifications:Rechargeable Keyboard And Mouse, Longlasting Battery LifeAvoid The Hassle Of Frequent Battery ReplacementsFlowing Light And Colorful, Gorgeous Rainbow Light EffectCool Rainbow Light, Support Breathing Mode, Beautiful And ImmersiveSimple 87key Design, Light And Portable, Easy To Carry On Business TripsFloating Keycaps, And Low LayoutTightly Fits The Finger Shape, And It Is Not Easy To Feel Tired After Longterm UseTranslucent Roller With ApronThe Texture Is Delicate, The Dial Is Smooth, The Web Page Scrolling Is Smoother, And The Operation Is Stable And ComfortablePackage Included:1*keyboard, 1*mouse