Description:RK987 mechanical keyboard, three connection modes, Bluetooth 5.0, 2.4Ghz signal transmitter and USB-C wired mode, make the keyboard more convenient and quick to use.87 keys, make the keyboard more compact and lighter, and better meet the needs of gamers.Support hot swap, programmable, can freely replace mechanical switches similar to Cherry MX, support 3pin/5pin switch, support custom lighting, button function.USB-Hub expansion interface, including 2 USB interfaces and a Type-C interface, make device management more convenient.Built-in 1850mAh high-capacity rechargeable battery, can support continuous use of the keyboard for about 200 hours when the performance is fully turned on, and charging during use.Specification:Material: ABS PlasticSize Chart:Size: 36X14X3cm/14.17X5.51X1.18inchPackage Includes:1 Piece RK987 Mechanical KeyboardNote:1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!3. Wish you a wonderful on-line shopping!'