Features: Simplified 87 configurations, reduce keyboard size while retaining complete keyboard functionality, balancing aesthetics and practicality. The GASKET structure has moderate soft elasticity, while PC positioning board slotting andPCB single key slotting optimize reboundand stability, making the sound morepure. Sandwich cotton combination+IXPE shafts bottom pad+PET sound pad+shafts base sound-absorbing foam+silicone filling at the bottom, effectively filling the internal cavity of the keyboard, reducing cavity sound, and restoring better button sound. All key positions can be replaced with shafts bodies, which are compatible withmost three pin/five pin shafts on the market. Users can freely change their preferred shafts bodies to better experience different tactile sensationsand button sounds Specifications: Mateial：Plastic Size: As Pictures Item: M87 Hot Swap RGB Keycaps Type: SideEngraved Process：DyeSublimation Keys: 87Keys Structure：Gasket Battery: 4600mAh Modes: Corded /3 Modes（2.4Ghz+Bluetoothcompatible+TypeC） Optional Color：Starry Light/Moonlit Night Package Includes: 1 PC M87 Mechanical Keyboard note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.