Features: Powerful air pump with high-efficiency air stone for sufficient oxygenation. USB-powered design allows compatibility with power banks, computers, laptops, and other USB power sources. Pure copper core motor ensures stable operation, fast heat dissipation, and low-noise performance. Compact and lightweight design with a hanging buckle for easy storage, portability, and installation. Mini USB air pump ideal for home fish tanks, aquariums, and outdoor fishing applications. Specifications: Material: Plastic Type: Black Color + 2 Air Stones, White Color + 1 Air Stone (Optional) Air Pump Size: 8.5 x 3 x 3 cm / 3.34 x 1.18 x 1.18 in Power Cord Length: 80 cm / 31.4 in Air Pump Weight: 73 g / 2.57 oz Package Size: 13 x 9 x 7 cm / 5.11 x 3.54 x 2.75 in Package Weight: 142 g / 5.00 oz Note: Air pump set only; other items shown in pictures are not included. Slight variations may occur due to manual measurement. Color may slightly differ due to lighting conditions. Packing List: 1 x Air Pump 1 x Hanging Buckle 2 x Air Stone 2 x Tubing 2 x 2-Way Air Line Regulator Connector