99 Keys Wireless Mechanical Keyboard with LED Color Display & Number Pad Bluetooth & 2.4G Wireless & Wired Hot-swappable, Customized Linear Blueberry Switch Gasket Structure 5-Layer Muffler Filling(PORON sandwich cotton, IXPE switch pad, PET voice pad, DEPDM muffler foam, PORON base pad) FR4 1.2mm Double-Layer Single-key Slotted PCB 16 Million Colors of LED Lamp Beads 4000mAh Battery Web Cloud Driver 102-key Full-size Layout; 87-key Size Length; 104-key Function Full-key Anti-ghosting Original Height PBT Keycap Customized High-performance Chip