High Bubble Productivity: Equipped with 132 individual holes, it produces thousands of bubbles per minute. Visual Effects: Features built-in colorful light effects that illuminate the bubbles as they exit. Material: Made of high-quality and durable ABS plastic, designed to be safe with no sharp edges. Dual Function: Some models allow for the bubble head to be removed, so the device can be used as a small portable cooling fan. Power Source: Typically powered by a rechargeable lithium battery (often 2000 or 2200 mAh).