Features: brand new and high quality The customized mechanical keyboard welding verision, support 2.4G/ USB/ bluetoooth-compatible 3 modes, is crisp to strike when fully installed. It has an excellent hand-feel feedback experience, long service life. It does not require too many keys, easy to use. Accurate and non-conflict for key flow, support hot swap, let you not forget to record wonderful moments when playing! Ergonomic design,customized layout,white lighting backlit effect, let you be on the scene. Applicable people: designed for gamers, office workers, copywriters, programmers, editors, etc. Specifications: Name: Gaming Mechanical Keyboard Welding Version (61-Key) Material: ABS+Metal Purpose: DIY Mode (game/office) Interface: usb;Bluetooth-compatible; Color: Black/White Modes: Support 2.4G /USB/ bluetoooth-compatible 3 modes Size: approx. 35.8X13.8X4.5CM/14.09x5.43x1.77in Waterproof Function: Waterproof for Key Technology: Mechanical Axis Backlight Function: Seven-color Backlight Whether To Support Ergonomics: Support Line Length: 2 (meters)/6.56ft Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Set x Mechanical Keyboard Welding Version (87-Key)