GK75 Lite Gasket-like Mount Wired Hot Swappable Programmable Keyboard with Rotary Knob Win/ Compatible Preorder Description: 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