Synchronizes the north-facing LEDs to pulse with your computer’s audio.

If you are reading this, chances are you have just unboxed the LTC NB681 (more popularly known as the ), or you are considering buying one. With its unique 68-key layout, gasket-mounted structure, and that iconic three-way rotary knob, the TM680 has taken the custom mechanical keyboard community by storm as a budget-friendly powerhouse.