Each rechargeable bulb features a 3000mAh rechargeable battery that provides 9-45 hours of continuous use (depending on brightness). The Type-C port fully charges in just 4.5 hours, ensuring convenient use without the need for battery replacement. Enjoy 9 vibrant RGB colors with two unique modes: Smooth mode creates a gradual colour transition for a calming ambiance; Flashing mode delivers rapid color changes to energize parties and celebrations. Illuminate any space with vibrant lighting effects.