Feature Highlights: 1. Portable & Compact Design: Small and lightweight, this USB oxygen aerator is easy to carry for outdoor fishing or aquarium use. 2. High-Quality Material: Made of durable ABS and copper, ensuring long-lasting performance and reliability. 3. Efficient Oxygenation: Provides effective aeration for fish and seafood, ideal for small aquariums or temporary storage during fishing trips. 4. Easy to Use: Simple plug-and-play operation via USB power (5V rated voltage), saving time and effort. 5. Complete Set Includes: Comes with 1 oxygen pump, 1 air stone, 1 pipe, and 1 hook (hook color may vary). Product Details: This mini USB aquarium oxygen pump delivers convenient and efficient aeration for small fish tanks or outdoor fishing. Crafted from robust ABS and copper, it is built to last. Its compact, lightweight design makes it highly portable, while the USB power supply ensures easy operation anywhere. Perfect for maintaining oxygen levels in aquariums or keeping seafood fresh during transport. Specifications: - Material: ABS, Copper - Size: Approx. 8.00×3.20×3.20 cm / 3.14×1.26×1.26 inches - Rated Voltage: 5V - Package Includes: 1× Oxygen Pump, 1× Air Stone, 1× Pipe, 1× Hook (random color)