. GK75 Lite Gasket-like Mount Wired Hot Swappable Programmable Keyboard with Rotary Knob Win/ Compatible Preorder . Name: R905 Wireless Keyboard And Mouse Set . Connection Mode: 2.4G . Product Interface: USB Receiver . Number Of Keys: 87/6 . Lighting Effect: Light . Keyboard Size 359*132*35mm . Mouse Size 130*71*42mm . Working Voltage/current: 3.7V/35mA . Specifications: . Rechargeable Keyboard And Mouse, Long-lasting Battery Life . Avoid The Hassle Of Frequent Battery Replacements . Flowing Light And Colorful, Gorgeous Rainbow Light Effect . Cool Rainbow Light, Support Breathing Mode, Beautiful And Immersive . Simple 87-key Design, Light And Portable, Easy To Carry On Business Trips . Floating Keycaps, And Low Layout . Tightly Fits The Finger Shape, And It Is Not Easy To Feel Tired After Long-term Use . Translucent Roller With Apron . The Texture Is Delicate, The Dial Is Smooth, The Web Page Scrolling Is Smoother, And The Operation Is Stable And Comfortable . Package Included: . 1*keyboard, 1*mouse