CHARGING METHODS: Rechargeable Battery inside to store power and support the night working. WIDELY USED£º for adding oxygen into various aquariums, fish tank, pools, ponds, especially suitable for the power failure emergency oxygen increasing, the wild fish oxygen increasing and small amounts of aquatic transportation oxygen increasing. LONG WORKING TIME: Built-in 2200mAh large capacity battery, up to 20 hours working time once fully charged. Note: When battery goes dead or is changed, you must restart pump after changing battery by 1) inserting USB charge for 5 seconds or 2) let set in direct sunlight for few seconds. SAFE TO USE: Imported single-chip microcomputer intelligent control, support constant pressure and constant current charging, overcharge discharge protection and low electric alarm. Worry-Free Guarantee:Please feel free to conatct us if there are anything we can do for you. Specifications: Dual chamber oscillatiing pump for high output and stable pressure High enery efficiency Double damping noise reduction system for quiet operation Oxygen pump with two air outlets. Widely used to increase oxygen for aquarium aeration and outdoor fishing. 2 working modes: continuous working and 20-second intermittent working. Built-in battery easily recharges with USB cable from a power bank or computer. Package Include: 1 x Rechargable oxgen power fishing bubbles. Notes: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed in the pictures.
