Lanyard Foldable Fan with Power Bank Only light and portable power bank is the best choice for storage or usage Are you still using the same power bank as others? Print your favorite picture or texture, it is the best item that others can't buy it anywhere Small body but sufficient capacity, no worry about battery died even if you are outdoor for a whole day  Customized gift, phone accessories can be super fashion ・Dimensions: 16.2 cm x 8.0 cm x 1.7 cm ・Material: Plastic+ Electronic components ・Input: DC 5V / 1000ma ・Output: 5V / 1000ma ・Power: 5W ・Battery capacity: 3000 mAh  ・Power supply time is different according to the battery, storage and different device ・Please read the instruction carefully before use ・Notice: please unplug it immediately after full-charged to prevent power loss ・Customized color printing for single side, available for selfie, family or pet photo and text