AJAZZ AK820 MAX Wireless Tri-Mode Customizable Mechanical Keyboard Model:AK820MAX Structure:GASKET Structure.N-key rollover·Hot-swappable for all keys(compatible with three-pin and five-pin switches). Connection:Wireless 2.4G+Bluetooth+Wired TYPE-C Screen+Knob:0.85-inch TFT Color Screen+Volume Knob Switch:Avocado Switch/Sea Salt Switch Keycap Height:OEM Profile Keycap Material:PBT Double-Shot Injection Mounting Plate:Slotted FR4 PCB:Single-Key Slotting Stabilizers:A-Series Precision Tuned Stabilizers,Factory Lubricated Battery:4000mAh Backlighting:16 million colors RGB, underglow Filling:PO Cotton +IXPE Switch Cushion +PET Soundproof Mat +PO Switch Seat Cushion +Silicone Base Cushion