psi Redragon Mechanical Gaming Keyboard Optical RGB BRAHMA K586RGB-PRO Ultimate Keyboard of Redragon Attention, please! Redragon K586 BRAHMA is in the house, the blend of each unique, extraordinary and practical Redragon keyboard features. The real ALL-IN-ONE pro gear, the epic combination. Ultra-fast Optical Switches With OUTEMU optical-mechanical brown switches, you will get a chance to enjoy the most delighting typing experience. Each input will be recorded and actuated instantly (0.2ms response time) which is 10 times faster than original mechanical switches. Barely 0 Abrasion Thanks to the unique and extraordinary optical working principle of the optical-mechanical switches, which makes it non-abrasive, spillproof and dustproof to make the lifespan more longer (100 million times keystroke)than original gaming keyboard. Customizable Charming RGB 16.8 Million RGB backlights with 18 themed modes will never fail you when you need a fancy and cool vibe to play or work. Make your own show if the pre-programmed them is not your type, all keys' lighting effect and brightness level are customizable and adjustable just like a palette. Solid Build with Longer Lifespan Feel the durability not by enjoying the solid lightweight construction but also from the nearly non-abrasive optical switches. It boats the feature to prevent water and dust, which offers a 100 million click lifetime and double the lifespan of most competitor keyboards. TECH SPECS 1. Keyboard Weight: 1.91KGS 2. Keyboard Dimensions: 52x21x7.5 inches 3. Key Switches: OUTEMU Optical Browns Switches 4. USB Connector: USB 2.0 5. Keyboard Connectivity: Wired 6. Matrix: 104 Keys (Full Rollover) 7. Height Adjustable: Yes Package List: 1 x Redragon K586 Mechanical Gaming Keyboard 1 x Switch Puller 1 x User manual