Product Size: 7.0 cm * 3.0 cm * 3.0 cmColor: dark blue, black, grass greenMaterial: Silicone shellPackage content: 1pcs oxygen pump1. Super Slient : Our Aquarium Air Pump adopts piezoceramics vibration tech to transport air into fish tank without making noise. It is almost mute when you stand out of 1 meter. A perfect choice to be placed in the bedroom, living room and office.2. Low Power Comsumption : Power consumption of this oxygen pump is only 1.0W, with flow rate 400 ml/min, suitable for 1-15 gallons fish tanks, aquarium and hydroponic system.3. Compact & Convenient :Our usb oxygen pump is small, light weight and portable with a durable buckle. You can easily take it outdoors for fishing.4. Stable Performance : USB Plug, the length of the USB cable is approx 1.5m . Oxygen air pump is stable performance, is ideal for small and medium-sized fish tank plus oxygen, It can be used 24 hours continuously.5. Satisfaction :Air pump can add enough oxygen in a fish tank with long service life.It will makes your fish, betta or shrimp love it.Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''t hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it