Features:
Silent function
Suitable for Ender-3 / Ender-3 Pro / Ender-5 Pro 3D printer.

• TMC2208 drivers is super quiet.
• Bootloader installed (ISP/USB Arduino).
• Firmware Marlin 1.0.1 comes pre-installed on this board.
• With USB port, easy to operate the E/Z/Y/X axis motor.
• Thermal runaway protection. The board is optimized by circuit, effectively solve the heating problem.
• Support 24V input voltage.