Features: 1. Our air pumps are Using high-tech special internal muffler design, which makes it super compact, super quiet, light weight and long service life. 2. Oxygen air pumps are stable performance, is ideals for small and medium-sized fish tank plus oxygen. 3. Aquarium air pumps are small, light weight and portable. 4. This fish tank air pumps are small, light weight and portable with a durable buckle. 5. This air pumps aquarium runs with a super quiet but high efficient motor. Compared to the electromagnetic pumps, it makes no sounds at all. Notice: *Actual color may be slightly different from the image due to different monitor and light effect *Please allow 1-3cm deviation due to manual measurement Description: Size: 8*3cm Package List: 1 set x Cute Mute Oxygen Air Pumps