Two-way LED with cool and warm colors.

2. Single-button short press to toggle modes: Cool Light - Warm Light - Both Lights On - Off; in the on state, long press to adjust brightness. No matter if it's cool light, warm light, or both lights on, a long press (1 second) can adjust the brightness, and the current level is remembered in each mode without turning off the power.

3. Press and hold to adjust brightness; press and hold again to reverse the adjustment.

Charging function, emits red light while charging, turns off upon full charge